Home / 121,555,526.50-167,762,635.41-69,332,590.90

Finding the Fourth Proportional to 121,555,526.50, 167,762,635.41 and 69,332,590.90

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Solution

The fourth proportional to 121,555,526.50, 167,762,635.41 and 69,332,590.90 is: 95,688,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,555,526.50 : 167,762,635.41 = 69,332,590.90 : x
  2. Step 2: Convert to fraction form
    121,555,526.50/167,762,635.41 = 69,332,590.90/x
  3. Step 3: Cross multiply
    121,555,526.50x = 167,762,635.41 × 69,332,590.90
  4. Step 4: Simplify right side
    121,555,526.50x = 11,631,418,169,187,384
  5. Step 5: Solve for x
    x = 11,631,418,169,187,384/121,555,526.50
  6. Step 6: Final answer
    x = 95,688,106.53

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1.5x scale

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.