Home / 124,551,838.90-186,827,758.35-81,553,669.30

Finding the Fourth Proportional to 124,551,838.90, 186,827,758.35 and 81,553,669.30

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Solution

The fourth proportional to 124,551,838.90, 186,827,758.35 and 81,553,669.30 is: 122,330,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,551,838.90 : 186,827,758.35 = 81,553,669.30 : x
  2. Step 2: Convert to fraction form
    124,551,838.90/186,827,758.35 = 81,553,669.30/x
  3. Step 3: Cross multiply
    124,551,838.90x = 186,827,758.35 × 81,553,669.30
  4. Step 4: Simplify right side
    124,551,838.90x = 15,236,489,220,536,212
  5. Step 5: Solve for x
    x = 15,236,489,220,536,212/124,551,838.90
  6. Step 6: Final answer
    x = 122,330,503.95

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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.