Home / 147,671,521.20-221,507,281.80-39,966,145.20

Finding the Fourth Proportional to 147,671,521.20, 221,507,281.80 and 39,966,145.20

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Solution

The fourth proportional to 147,671,521.20, 221,507,281.80 and 39,966,145.20 is: 59,949,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,671,521.20 : 221,507,281.80 = 39,966,145.20 : x
  2. Step 2: Convert to fraction form
    147,671,521.20/221,507,281.80 = 39,966,145.20/x
  3. Step 3: Cross multiply
    147,671,521.20x = 221,507,281.80 × 39,966,145.20
  4. Step 4: Simplify right side
    147,671,521.20x = 8,852,792,187,276,118
  5. Step 5: Solve for x
    x = 8,852,792,187,276,118/147,671,521.20
  6. Step 6: Final answer
    x = 59,949,217.80

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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.