Home / 102,528,023.40-153,792,035.10-53,939,428.20

Finding the Fourth Proportional to 102,528,023.40, 153,792,035.10 and 53,939,428.20

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Solution

The fourth proportional to 102,528,023.40, 153,792,035.10 and 53,939,428.20 is: 80,909,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,023.40 : 153,792,035.10 = 53,939,428.20 : x
  2. Step 2: Convert to fraction form
    102,528,023.40/153,792,035.10 = 53,939,428.20/x
  3. Step 3: Cross multiply
    102,528,023.40x = 153,792,035.10 × 53,939,428.20
  4. Step 4: Simplify right side
    102,528,023.40x = 8,295,454,435,008,330
  5. Step 5: Solve for x
    x = 8,295,454,435,008,330/102,528,023.40
  6. Step 6: Final answer
    x = 80,909,142.30

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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.