Home / 73,152,130.70-109,728,196.05-66,433,666.70

Finding the Fourth Proportional to 73,152,130.70, 109,728,196.05 and 66,433,666.70

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Solution

The fourth proportional to 73,152,130.70, 109,728,196.05 and 66,433,666.70 is: 99,650,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,152,130.70 : 109,728,196.05 = 66,433,666.70 : x
  2. Step 2: Convert to fraction form
    73,152,130.70/109,728,196.05 = 66,433,666.70/x
  3. Step 3: Cross multiply
    73,152,130.70x = 109,728,196.05 × 66,433,666.70
  4. Step 4: Simplify right side
    73,152,130.70x = 7,289,646,403,977,957
  5. Step 5: Solve for x
    x = 7,289,646,403,977,957/73,152,130.70
  6. Step 6: Final answer
    x = 99,650,500.05

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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.