Home / 129,024,010.60-193,536,015.90-72,282,941.80

Finding the Fourth Proportional to 129,024,010.60, 193,536,015.90 and 72,282,941.80

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Solution

The fourth proportional to 129,024,010.60, 193,536,015.90 and 72,282,941.80 is: 108,424,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,010.60 : 193,536,015.90 = 72,282,941.80 : x
  2. Step 2: Convert to fraction form
    129,024,010.60/193,536,015.90 = 72,282,941.80/x
  3. Step 3: Cross multiply
    129,024,010.60x = 193,536,015.90 × 72,282,941.80
  4. Step 4: Simplify right side
    129,024,010.60x = 13,989,352,573,503,574
  5. Step 5: Solve for x
    x = 13,989,352,573,503,574/129,024,010.60
  6. Step 6: Final answer
    x = 108,424,412.70

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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.