Home / 72,064,655.30-99,449,278.20-39,024,940.65

Finding the Fourth Proportional to 72,064,655.30, 99,449,278.20 and 39,024,940.65

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Solution

The fourth proportional to 72,064,655.30, 99,449,278.20 and 39,024,940.65 is: 53,854,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,064,655.30 : 99,449,278.20 = 39,024,940.65 : x
  2. Step 2: Convert to fraction form
    72,064,655.30/99,449,278.20 = 39,024,940.65/x
  3. Step 3: Cross multiply
    72,064,655.30x = 99,449,278.20 × 39,024,940.65
  4. Step 4: Simplify right side
    72,064,655.30x = 3,881,002,179,931,335
  5. Step 5: Solve for x
    x = 3,881,002,179,931,335/72,064,655.30
  6. Step 6: Final answer
    x = 53,854,447.28

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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.