Home / 145,417,139.59-218,109,542.29-52,040,342.77

Finding the Fourth Proportional to 145,417,139.59, 218,109,542.29 and 52,040,342.77

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Solution

The fourth proportional to 145,417,139.59, 218,109,542.29 and 52,040,342.77 is: 78,054,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,417,139.59 : 218,109,542.29 = 52,040,342.77 : x
  2. Step 2: Convert to fraction form
    145,417,139.59/218,109,542.29 = 52,040,342.77/x
  3. Step 3: Cross multiply
    145,417,139.59x = 218,109,542.29 × 52,040,342.77
  4. Step 4: Simplify right side
    145,417,139.59x = 11,350,495,341,088,862
  5. Step 5: Solve for x
    x = 11,350,495,341,088,862/145,417,139.59
  6. Step 6: Final answer
    x = 78,054,728.44

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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.