Home / 147,745,089.04-203,884,663.80-80,761,069.84

Finding the Fourth Proportional to 147,745,089.04, 203,884,663.80 and 80,761,069.84

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Solution

The fourth proportional to 147,745,089.04, 203,884,663.80 and 80,761,069.84 is: 111,448,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,089.04 : 203,884,663.80 = 80,761,069.84 : x
  2. Step 2: Convert to fraction form
    147,745,089.04/203,884,663.80 = 80,761,069.84/x
  3. Step 3: Cross multiply
    147,745,089.04x = 203,884,663.80 × 80,761,069.84
  4. Step 4: Simplify right side
    147,745,089.04x = 16,465,943,572,456,722
  5. Step 5: Solve for x
    x = 16,465,943,572,456,722/147,745,089.04
  6. Step 6: Final answer
    x = 111,448,330.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.