Home / 112,334,951.30-168,502,426.95-91,927,616.90

Finding the Fourth Proportional to 112,334,951.30, 168,502,426.95 and 91,927,616.90

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Solution

The fourth proportional to 112,334,951.30, 168,502,426.95 and 91,927,616.90 is: 137,891,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,951.30 : 168,502,426.95 = 91,927,616.90 : x
  2. Step 2: Convert to fraction form
    112,334,951.30/168,502,426.95 = 91,927,616.90/x
  3. Step 3: Cross multiply
    112,334,951.30x = 168,502,426.95 × 91,927,616.90
  4. Step 4: Simplify right side
    112,334,951.30x = 15,490,026,551,379,836
  5. Step 5: Solve for x
    x = 15,490,026,551,379,836/112,334,951.30
  6. Step 6: Final answer
    x = 137,891,425.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.