Home / 147,456,572.40-221,238,002.70-61,256,842.20

Finding the Fourth Proportional to 147,456,572.40, 221,238,002.70 and 61,256,842.20

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Solution

The fourth proportional to 147,456,572.40, 221,238,002.70 and 61,256,842.20 is: 91,907,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,456,572.40 : 221,238,002.70 = 61,256,842.20 : x
  2. Step 2: Convert to fraction form
    147,456,572.40/221,238,002.70 = 61,256,842.20/x
  3. Step 3: Cross multiply
    147,456,572.40x = 221,238,002.70 × 61,256,842.20
  4. Step 4: Simplify right side
    147,456,572.40x = 13,552,341,420,037,074
  5. Step 5: Solve for x
    x = 13,552,341,420,037,074/147,456,572.40
  6. Step 6: Final answer
    x = 91,907,340.58

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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.