Home / 105,217,516.20-145,205,233.18-58,173,719.19

Finding the Fourth Proportional to 105,217,516.20, 145,205,233.18 and 58,173,719.19

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Solution

The fourth proportional to 105,217,516.20, 145,205,233.18 and 58,173,719.19 is: 80,282,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217,516.20 : 145,205,233.18 = 58,173,719.19 : x
  2. Step 2: Convert to fraction form
    105,217,516.20/145,205,233.18 = 58,173,719.19/x
  3. Step 3: Cross multiply
    105,217,516.20x = 145,205,233.18 × 58,173,719.19
  4. Step 4: Simplify right side
    105,217,516.20x = 8,447,128,459,931,791
  5. Step 5: Solve for x
    x = 8,447,128,459,931,791/105,217,516.20
  6. Step 6: Final answer
    x = 80,282,530.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.