Home / 48,249,123.80-72,373,685.70-43,147,290.20

Finding the Fourth Proportional to 48,249,123.80, 72,373,685.70 and 43,147,290.20

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Solution

The fourth proportional to 48,249,123.80, 72,373,685.70 and 43,147,290.20 is: 64,720,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,249,123.80 : 72,373,685.70 = 43,147,290.20 : x
  2. Step 2: Convert to fraction form
    48,249,123.80/72,373,685.70 = 43,147,290.20/x
  3. Step 3: Cross multiply
    48,249,123.80x = 72,373,685.70 × 43,147,290.20
  4. Step 4: Simplify right side
    48,249,123.80x = 3,122,728,419,741,490.50
  5. Step 5: Solve for x
    x = 3,122,728,419,741,490.50/48,249,123.80
  6. Step 6: Final answer
    x = 64,720,935.30

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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.