Home / 148,345,205.60-222,517,808.40-102,428,703.20

Finding the Fourth Proportional to 148,345,205.60, 222,517,808.40 and 102,428,703.20

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Solution

The fourth proportional to 148,345,205.60, 222,517,808.40 and 102,428,703.20 is: 153,643,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,345,205.60 : 222,517,808.40 = 102,428,703.20 : x
  2. Step 2: Convert to fraction form
    148,345,205.60/222,517,808.40 = 102,428,703.20/x
  3. Step 3: Cross multiply
    148,345,205.60x = 222,517,808.40 × 102,428,703.20
  4. Step 4: Simplify right side
    148,345,205.60x = 22,792,210,553,318,068
  5. Step 5: Solve for x
    x = 22,792,210,553,318,068/148,345,205.60
  6. Step 6: Final answer
    x = 153,643,054.80

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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.