Home / 135,698,988.32-187,377,699.32-125,852,064.56

Finding the Fourth Proportional to 135,698,988.32, 187,377,699.32 and 125,852,064.56

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Solution

The fourth proportional to 135,698,988.32, 187,377,699.32 and 125,852,064.56 is: 173,780,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,698,988.32 : 187,377,699.32 = 125,852,064.56 : x
  2. Step 2: Convert to fraction form
    135,698,988.32/187,377,699.32 = 125,852,064.56/x
  3. Step 3: Cross multiply
    135,698,988.32x = 187,377,699.32 × 125,852,064.56
  4. Step 4: Simplify right side
    135,698,988.32x = 23,581,870,311,924,908
  5. Step 5: Solve for x
    x = 23,581,870,311,924,908/135,698,988.32
  6. Step 6: Final answer
    x = 173,780,737.82

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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.