Home / 103,839,607.76-143,342,781.66-64,700,721.93

Finding the Fourth Proportional to 103,839,607.76, 143,342,781.66 and 64,700,721.93

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Solution

The fourth proportional to 103,839,607.76, 143,342,781.66 and 64,700,721.93 is: 89,314,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,607.76 : 143,342,781.66 = 64,700,721.93 : x
  2. Step 2: Convert to fraction form
    103,839,607.76/143,342,781.66 = 64,700,721.93/x
  3. Step 3: Cross multiply
    103,839,607.76x = 143,342,781.66 × 64,700,721.93
  4. Step 4: Simplify right side
    103,839,607.76x = 9,274,381,456,856,364
  5. Step 5: Solve for x
    x = 9,274,381,456,856,364/103,839,607.76
  6. Step 6: Final answer
    x = 89,314,488.54

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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.