Home / 72,581,443.80-108,872,165.70-48,394,973.40

Finding the Fourth Proportional to 72,581,443.80, 108,872,165.70 and 48,394,973.40

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Solution

The fourth proportional to 72,581,443.80, 108,872,165.70 and 48,394,973.40 is: 72,592,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,443.80 : 108,872,165.70 = 48,394,973.40 : x
  2. Step 2: Convert to fraction form
    72,581,443.80/108,872,165.70 = 48,394,973.40/x
  3. Step 3: Cross multiply
    72,581,443.80x = 108,872,165.70 × 48,394,973.40
  4. Step 4: Simplify right side
    72,581,443.80x = 5,268,865,563,051,892
  5. Step 5: Solve for x
    x = 5,268,865,563,051,892/72,581,443.80
  6. Step 6: Final answer
    x = 72,592,460.10

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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.