Home / 124,051,331.20-186,076,996.80-83,236,662.40

Finding the Fourth Proportional to 124,051,331.20, 186,076,996.80 and 83,236,662.40

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Solution

The fourth proportional to 124,051,331.20, 186,076,996.80 and 83,236,662.40 is: 124,854,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051,331.20 : 186,076,996.80 = 83,236,662.40 : x
  2. Step 2: Convert to fraction form
    124,051,331.20/186,076,996.80 = 83,236,662.40/x
  3. Step 3: Cross multiply
    124,051,331.20x = 186,076,996.80 × 83,236,662.40
  4. Step 4: Simplify right side
    124,051,331.20x = 15,488,428,163,047,482
  5. Step 5: Solve for x
    x = 15,488,428,163,047,482/124,051,331.20
  6. Step 6: Final answer
    x = 124,854,993.60

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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.