Home / 72,048,560.92-99,426,882.63-39,008,806

Finding the Fourth Proportional to 72,048,560.92, 99,426,882.63 and 39,008,806

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Solution

The fourth proportional to 72,048,560.92, 99,426,882.63 and 39,008,806 is: 53,832,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,048,560.92 : 99,426,882.63 = 39,008,806 : x
  2. Step 2: Convert to fraction form
    72,048,560.92/99,426,882.63 = 39,008,806/x
  3. Step 3: Cross multiply
    72,048,560.92x = 99,426,882.63 × 39,008,806
  4. Step 4: Simplify right side
    72,048,560.92x = 3,878,523,975,698,439.50
  5. Step 5: Solve for x
    x = 3,878,523,975,698,439.50/72,048,560.92
  6. Step 6: Final answer
    x = 53,832,081.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.