Home / 80,461,411.70-120,692,117.55-57,954,557.30

Finding the Fourth Proportional to 80,461,411.70, 120,692,117.55 and 57,954,557.30

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Solution

The fourth proportional to 80,461,411.70, 120,692,117.55 and 57,954,557.30 is: 86,931,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,461,411.70 : 120,692,117.55 = 57,954,557.30 : x
  2. Step 2: Convert to fraction form
    80,461,411.70/120,692,117.55 = 57,954,557.30/x
  3. Step 3: Cross multiply
    80,461,411.70x = 120,692,117.55 × 57,954,557.30
  4. Step 4: Simplify right side
    80,461,411.70x = 6,994,658,242,209,810
  5. Step 5: Solve for x
    x = 6,994,658,242,209,810/80,461,411.70
  6. Step 6: Final answer
    x = 86,931,835.95

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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.