Home / 155,690,187.20-233,535,280.80-98,359,294.40

Finding the Fourth Proportional to 155,690,187.20, 233,535,280.80 and 98,359,294.40

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Solution

The fourth proportional to 155,690,187.20, 233,535,280.80 and 98,359,294.40 is: 147,538,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,690,187.20 : 233,535,280.80 = 98,359,294.40 : x
  2. Step 2: Convert to fraction form
    155,690,187.20/233,535,280.80 = 98,359,294.40/x
  3. Step 3: Cross multiply
    155,690,187.20x = 233,535,280.80 × 98,359,294.40
  4. Step 4: Simplify right side
    155,690,187.20x = 22,970,365,436,993,872
  5. Step 5: Solve for x
    x = 22,970,365,436,993,872/155,690,187.20
  6. Step 6: Final answer
    x = 147,538,941.60

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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.