Home / 124,497,672.90-186,746,509.35-81,499,503.30

Finding the Fourth Proportional to 124,497,672.90, 186,746,509.35 and 81,499,503.30

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Solution

The fourth proportional to 124,497,672.90, 186,746,509.35 and 81,499,503.30 is: 122,249,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497,672.90 : 186,746,509.35 = 81,499,503.30 : x
  2. Step 2: Convert to fraction form
    124,497,672.90/186,746,509.35 = 81,499,503.30/x
  3. Step 3: Cross multiply
    124,497,672.90x = 186,746,509.35 × 81,499,503.30
  4. Step 4: Simplify right side
    124,497,672.90x = 15,219,747,755,033,804
  5. Step 5: Solve for x
    x = 15,219,747,755,033,804/124,497,672.90
  6. Step 6: Final answer
    x = 122,249,254.95

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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.