Home / 157,098,187.80-235,753,569.90-70,792,169.40

Finding the Fourth Proportional to 157,098,187.80, 235,753,569.90 and 70,792,169.40

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Solution

The fourth proportional to 157,098,187.80, 235,753,569.90 and 70,792,169.40 is: 106,236,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,098,187.80 : 235,753,569.90 = 70,792,169.40 : x
  2. Step 2: Convert to fraction form
    157,098,187.80/235,753,569.90 = 70,792,169.40/x
  3. Step 3: Cross multiply
    157,098,187.80x = 235,753,569.90 × 70,792,169.40
  4. Step 4: Simplify right side
    157,098,187.80x = 16,689,506,657,015,542
  5. Step 5: Solve for x
    x = 16,689,506,657,015,542/157,098,187.80
  6. Step 6: Final answer
    x = 106,236,150.08

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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.