Home / 103,255,237.96-142,502,521.61-77,104,354.95

Finding the Fourth Proportional to 103,255,237.96, 142,502,521.61 and 77,104,354.95

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Solution

The fourth proportional to 103,255,237.96, 142,502,521.61 and 77,104,354.95 is: 106,411,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,255,237.96 : 142,502,521.61 = 77,104,354.95 : x
  2. Step 2: Convert to fraction form
    103,255,237.96/142,502,521.61 = 77,104,354.95/x
  3. Step 3: Cross multiply
    103,255,237.96x = 142,502,521.61 × 77,104,354.95
  4. Step 4: Simplify right side
    103,255,237.96x = 10,987,565,007,680,248
  5. Step 5: Solve for x
    x = 10,987,565,007,680,248/103,255,237.96
  6. Step 6: Final answer
    x = 106,411,696.15

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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.