Home / 74,445,118.80-111,667,678.20-57,226,430.40

Finding the Fourth Proportional to 74,445,118.80, 111,667,678.20 and 57,226,430.40

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Solution

The fourth proportional to 74,445,118.80, 111,667,678.20 and 57,226,430.40 is: 85,839,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445,118.80 : 111,667,678.20 = 57,226,430.40 : x
  2. Step 2: Convert to fraction form
    74,445,118.80/111,667,678.20 = 57,226,430.40/x
  3. Step 3: Cross multiply
    74,445,118.80x = 111,667,678.20 × 57,226,430.40
  4. Step 4: Simplify right side
    74,445,118.80x = 6,390,342,614,441,897
  5. Step 5: Solve for x
    x = 6,390,342,614,441,897/74,445,118.80
  6. Step 6: Final answer
    x = 85,839,645.60

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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.