Home / 115,423,029.88-159,280,670.43-65,862,506.77

Finding the Fourth Proportional to 115,423,029.88, 159,280,670.43 and 65,862,506.77

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Solution

The fourth proportional to 115,423,029.88, 159,280,670.43 and 65,862,506.77 is: 90,888,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,423,029.88 : 159,280,670.43 = 65,862,506.77 : x
  2. Step 2: Convert to fraction form
    115,423,029.88/159,280,670.43 = 65,862,506.77/x
  3. Step 3: Cross multiply
    115,423,029.88x = 159,280,670.43 × 65,862,506.77
  4. Step 4: Simplify right side
    115,423,029.88x = 10,490,624,234,127,812
  5. Step 5: Solve for x
    x = 10,490,624,234,127,812/115,423,029.88
  6. Step 6: Final answer
    x = 90,888,484.26

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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.