Home / 145,156,981.40-217,735,472.10-134,071,515.80

Finding the Fourth Proportional to 145,156,981.40, 217,735,472.10 and 134,071,515.80

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Solution

The fourth proportional to 145,156,981.40, 217,735,472.10 and 134,071,515.80 is: 201,107,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,981.40 : 217,735,472.10 = 134,071,515.80 : x
  2. Step 2: Convert to fraction form
    145,156,981.40/217,735,472.10 = 134,071,515.80/x
  3. Step 3: Cross multiply
    145,156,981.40x = 217,735,472.10 × 134,071,515.80
  4. Step 4: Simplify right side
    145,156,981.40x = 29,192,124,787,875,608
  5. Step 5: Solve for x
    x = 29,192,124,787,875,608/145,156,981.40
  6. Step 6: Final answer
    x = 201,107,273.70

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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.