Home / 48,215,278.16-66,537,623.06-28,373,430.20

Finding the Fourth Proportional to 48,215,278.16, 66,537,623.06 and 28,373,430.20

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Solution

The fourth proportional to 48,215,278.16, 66,537,623.06 and 28,373,430.20 is: 39,155,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,215,278.16 : 66,537,623.06 = 28,373,430.20 : x
  2. Step 2: Convert to fraction form
    48,215,278.16/66,537,623.06 = 28,373,430.20/x
  3. Step 3: Cross multiply
    48,215,278.16x = 66,537,623.06 × 28,373,430.20
  4. Step 4: Simplify right side
    48,215,278.16x = 1,887,900,603,198,665.75
  5. Step 5: Solve for x
    x = 1,887,900,603,198,665.75/48,215,278.16
  6. Step 6: Final answer
    x = 39,155,650.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.