Home / 74,466,921.40-111,700,382.10-20,614,233.40

Finding the Fourth Proportional to 74,466,921.40, 111,700,382.10 and 20,614,233.40

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Solution

The fourth proportional to 74,466,921.40, 111,700,382.10 and 20,614,233.40 is: 30,921,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,466,921.40 : 111,700,382.10 = 20,614,233.40 : x
  2. Step 2: Convert to fraction form
    74,466,921.40/111,700,382.10 = 20,614,233.40/x
  3. Step 3: Cross multiply
    74,466,921.40x = 111,700,382.10 × 20,614,233.40
  4. Step 4: Simplify right side
    74,466,921.40x = 2,302,617,747,478,582
  5. Step 5: Solve for x
    x = 2,302,617,747,478,582/74,466,921.40
  6. Step 6: Final answer
    x = 30,921,350.10

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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.