Home / 72,008,580.68-99,386,006.18-54,574,516.52

Finding the Fourth Proportional to 72,008,580.68, 99,386,006.18 and 54,574,516.52

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Solution

The fourth proportional to 72,008,580.68, 99,386,006.18 and 54,574,516.52 is: 75,323,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,008,580.68 : 99,386,006.18 = 54,574,516.52 : x
  2. Step 2: Convert to fraction form
    72,008,580.68/99,386,006.18 = 54,574,516.52/x
  3. Step 3: Cross multiply
    72,008,580.68x = 99,386,006.18 × 54,574,516.52
  4. Step 4: Simplify right side
    72,008,580.68x = 5,423,943,236,127,233
  5. Step 5: Solve for x
    x = 5,423,943,236,127,233/72,008,580.68
  6. Step 6: Final answer
    x = 75,323,568.18

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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.