Home / 103,793,737.47-143,238,347.78-57,386,987.43

Finding the Fourth Proportional to 103,793,737.47, 143,238,347.78 and 57,386,987.43

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Solution

The fourth proportional to 103,793,737.47, 143,238,347.78 and 57,386,987.43 is: 79,195,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,793,737.47 : 143,238,347.78 = 57,386,987.43 : x
  2. Step 2: Convert to fraction form
    103,793,737.47/143,238,347.78 = 57,386,987.43/x
  3. Step 3: Cross multiply
    103,793,737.47x = 143,238,347.78 × 57,386,987.43
  4. Step 4: Simplify right side
    103,793,737.47x = 8,220,017,263,257,894
  5. Step 5: Solve for x
    x = 8,220,017,263,257,894/103,793,737.47
  6. Step 6: Final answer
    x = 79,195,695.84

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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.