Home / 42,073,322.40-63,109,983.60-40,372,711.20

Finding the Fourth Proportional to 42,073,322.40, 63,109,983.60 and 40,372,711.20

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Solution

The fourth proportional to 42,073,322.40, 63,109,983.60 and 40,372,711.20 is: 60,559,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,073,322.40 : 63,109,983.60 = 40,372,711.20 : x
  2. Step 2: Convert to fraction form
    42,073,322.40/63,109,983.60 = 40,372,711.20/x
  3. Step 3: Cross multiply
    42,073,322.40x = 63,109,983.60 × 40,372,711.20
  4. Step 4: Simplify right side
    42,073,322.40x = 2,547,921,141,719,536.50
  5. Step 5: Solve for x
    x = 2,547,921,141,719,536.50/42,073,322.40
  6. Step 6: Final answer
    x = 60,559,066.80

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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.