Home / 75,038,961.32-103,471,535.08-48,884,978.24

Finding the Fourth Proportional to 75,038,961.32, 103,471,535.08 and 48,884,978.24

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Solution

The fourth proportional to 75,038,961.32, 103,471,535.08 and 48,884,978.24 is: 67,407,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,038,961.32 : 103,471,535.08 = 48,884,978.24 : x
  2. Step 2: Convert to fraction form
    75,038,961.32/103,471,535.08 = 48,884,978.24/x
  3. Step 3: Cross multiply
    75,038,961.32x = 103,471,535.08 × 48,884,978.24
  4. Step 4: Simplify right side
    75,038,961.32x = 5,058,203,740,845,197
  5. Step 5: Solve for x
    x = 5,058,203,740,845,197/75,038,961.32
  6. Step 6: Final answer
    x = 67,407,699.31

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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.