Home / 115,452,930.36-159,264,639.27-71,385,842.64

Finding the Fourth Proportional to 115,452,930.36, 159,264,639.27 and 71,385,842.64

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Solution

The fourth proportional to 115,452,930.36, 159,264,639.27 and 71,385,842.64 is: 98,475,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452,930.36 : 159,264,639.27 = 71,385,842.64 : x
  2. Step 2: Convert to fraction form
    115,452,930.36/159,264,639.27 = 71,385,842.64/x
  3. Step 3: Cross multiply
    115,452,930.36x = 159,264,639.27 × 71,385,842.64
  4. Step 4: Simplify right side
    115,452,930.36x = 11,369,240,477,044,586
  5. Step 5: Solve for x
    x = 11,369,240,477,044,586/115,452,930.36
  6. Step 6: Final answer
    x = 98,475,113.98

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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.