Home / 106,657,253.01-159,985,879.55-29,980,281.22

Finding the Fourth Proportional to 106,657,253.01, 159,985,879.55 and 29,980,281.22

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Solution

The fourth proportional to 106,657,253.01, 159,985,879.55 and 29,980,281.22 is: 44,970,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,657,253.01 : 159,985,879.55 = 29,980,281.22 : x
  2. Step 2: Convert to fraction form
    106,657,253.01/159,985,879.55 = 29,980,281.22/x
  3. Step 3: Cross multiply
    106,657,253.01x = 159,985,879.55 × 29,980,281.22
  4. Step 4: Simplify right side
    106,657,253.01x = 4,796,421,660,138,047
  5. Step 5: Solve for x
    x = 4,796,421,660,138,047/106,657,253.01
  6. Step 6: Final answer
    x = 44,970,421.84

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.