Home / 145,780,507.80-218,670,761.70-92,165,506.20

Finding the Fourth Proportional to 145,780,507.80, 218,670,761.70 and 92,165,506.20

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Solution

The fourth proportional to 145,780,507.80, 218,670,761.70 and 92,165,506.20 is: 138,248,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,780,507.80 : 218,670,761.70 = 92,165,506.20 : x
  2. Step 2: Convert to fraction form
    145,780,507.80/218,670,761.70 = 92,165,506.20/x
  3. Step 3: Cross multiply
    145,780,507.80x = 218,670,761.70 × 92,165,506.20
  4. Step 4: Simplify right side
    145,780,507.80x = 20,153,901,443,220,072
  5. Step 5: Solve for x
    x = 20,153,901,443,220,072/145,780,507.80
  6. Step 6: Final answer
    x = 138,248,259.30

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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.