Home / 152,881,046.20-210,999,805.38-90,164,037.76

Finding the Fourth Proportional to 152,881,046.20, 210,999,805.38 and 90,164,037.76

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Solution

The fourth proportional to 152,881,046.20, 210,999,805.38 and 90,164,037.76 is: 124,440,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,881,046.20 : 210,999,805.38 = 90,164,037.76 : x
  2. Step 2: Convert to fraction form
    152,881,046.20/210,999,805.38 = 90,164,037.76/x
  3. Step 3: Cross multiply
    152,881,046.20x = 210,999,805.38 × 90,164,037.76
  4. Step 4: Simplify right side
    152,881,046.20x = 19,024,594,419,634,972
  5. Step 5: Solve for x
    x = 19,024,594,419,634,972/152,881,046.20
  6. Step 6: Final answer
    x = 124,440,503.86

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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.