Home / 77,516,632.26-116,165,263.05-42,988,220.37

Finding the Fourth Proportional to 77,516,632.26, 116,165,263.05 and 42,988,220.37

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Solution

The fourth proportional to 77,516,632.26, 116,165,263.05 and 42,988,220.37 is: 64,421,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516,632.26 : 116,165,263.05 = 42,988,220.37 : x
  2. Step 2: Convert to fraction form
    77,516,632.26/116,165,263.05 = 42,988,220.37/x
  3. Step 3: Cross multiply
    77,516,632.26x = 116,165,263.05 × 42,988,220.37
  4. Step 4: Simplify right side
    77,516,632.26x = 4,993,737,927,332,418
  5. Step 5: Solve for x
    x = 4,993,737,927,332,418/77,516,632.26
  6. Step 6: Final answer
    x = 64,421,502.61

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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.