Home / 42,768,025.70-64,152,038.55-38,438,348.90

Finding the Fourth Proportional to 42,768,025.70, 64,152,038.55 and 38,438,348.90

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Solution

The fourth proportional to 42,768,025.70, 64,152,038.55 and 38,438,348.90 is: 57,657,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,025.70 : 64,152,038.55 = 38,438,348.90 : x
  2. Step 2: Convert to fraction form
    42,768,025.70/64,152,038.55 = 38,438,348.90/x
  3. Step 3: Cross multiply
    42,768,025.70x = 64,152,038.55 × 38,438,348.90
  4. Step 4: Simplify right side
    42,768,025.70x = 2,465,898,440,431,150
  5. Step 5: Solve for x
    x = 2,465,898,440,431,150/42,768,025.70
  6. Step 6: Final answer
    x = 57,657,523.35

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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.