Home / 145,156,980.90-217,735,471.35-134,071,515.30

Finding the Fourth Proportional to 145,156,980.90, 217,735,471.35 and 134,071,515.30

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Solution

The fourth proportional to 145,156,980.90, 217,735,471.35 and 134,071,515.30 is: 201,107,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,980.90 : 217,735,471.35 = 134,071,515.30 : x
  2. Step 2: Convert to fraction form
    145,156,980.90/217,735,471.35 = 134,071,515.30/x
  3. Step 3: Cross multiply
    145,156,980.90x = 217,735,471.35 × 134,071,515.30
  4. Step 4: Simplify right side
    145,156,980.90x = 29,192,124,578,454,236
  5. Step 5: Solve for x
    x = 29,192,124,578,454,236/145,156,980.90
  6. Step 6: Final answer
    x = 201,107,272.95

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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.