Home / 81,061,045.47-121,573,334.16-37,299,826.98

Finding the Fourth Proportional to 81,061,045.47, 121,573,334.16 and 37,299,826.98

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Solution

The fourth proportional to 81,061,045.47, 121,573,334.16 and 37,299,826.98 is: 55,941,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,061,045.47 : 121,573,334.16 = 37,299,826.98 : x
  2. Step 2: Convert to fraction form
    81,061,045.47/121,573,334.16 = 37,299,826.98/x
  3. Step 3: Cross multiply
    81,061,045.47x = 121,573,334.16 × 37,299,826.98
  4. Step 4: Simplify right side
    81,061,045.47x = 4,534,664,329,549,723
  5. Step 5: Solve for x
    x = 4,534,664,329,549,723/81,061,045.47
  6. Step 6: Final answer
    x = 55,941,350.17

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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.