Home / 145,479,564.60-218,219,346.90-107,215,812.60

Finding the Fourth Proportional to 145,479,564.60, 218,219,346.90 and 107,215,812.60

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Solution

The fourth proportional to 145,479,564.60, 218,219,346.90 and 107,215,812.60 is: 160,823,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,479,564.60 : 218,219,346.90 = 107,215,812.60 : x
  2. Step 2: Convert to fraction form
    145,479,564.60/218,219,346.90 = 107,215,812.60/x
  3. Step 3: Cross multiply
    145,479,564.60x = 218,219,346.90 × 107,215,812.60
  4. Step 4: Simplify right side
    145,479,564.60x = 23,396,564,602,924,792
  5. Step 5: Solve for x
    x = 23,396,564,602,924,792/145,479,564.60
  6. Step 6: Final answer
    x = 160,823,718.90

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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.