Home / 147,372,439.20-221,058,658.80-102,022,807.20

Finding the Fourth Proportional to 147,372,439.20, 221,058,658.80 and 102,022,807.20

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Solution

The fourth proportional to 147,372,439.20, 221,058,658.80 and 102,022,807.20 is: 153,034,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,372,439.20 : 221,058,658.80 = 102,022,807.20 : x
  2. Step 2: Convert to fraction form
    147,372,439.20/221,058,658.80 = 102,022,807.20/x
  3. Step 3: Cross multiply
    147,372,439.20x = 221,058,658.80 × 102,022,807.20
  4. Step 4: Simplify right side
    147,372,439.20x = 22,553,024,926,642,984
  5. Step 5: Solve for x
    x = 22,553,024,926,642,984/147,372,439.20
  6. Step 6: Final answer
    x = 153,034,210.80

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1.5x scale

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.