Home / 147,579,025.20-221,502,382.20-74,846,403.60

Finding the Fourth Proportional to 147,579,025.20, 221,502,382.20 and 74,846,403.60

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Solution

The fourth proportional to 147,579,025.20, 221,502,382.20 and 74,846,403.60 is: 112,337,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,579,025.20 : 221,502,382.20 = 74,846,403.60 : x
  2. Step 2: Convert to fraction form
    147,579,025.20/221,502,382.20 = 74,846,403.60/x
  3. Step 3: Cross multiply
    147,579,025.20x = 221,502,382.20 × 74,846,403.60
  4. Step 4: Simplify right side
    147,579,025.20x = 16,578,656,696,502,654
  5. Step 5: Solve for x
    x = 16,578,656,696,502,654/147,579,025.20
  6. Step 6: Final answer
    x = 112,337,486.13

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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.