Home / 112,677,894.80-169,142,813.40-87,231,712.40

Finding the Fourth Proportional to 112,677,894.80, 169,142,813.40 and 87,231,712.40

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Solution

The fourth proportional to 112,677,894.80, 169,142,813.40 and 87,231,712.40 is: 130,945,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,677,894.80 : 169,142,813.40 = 87,231,712.40 : x
  2. Step 2: Convert to fraction form
    112,677,894.80/169,142,813.40 = 87,231,712.40/x
  3. Step 3: Cross multiply
    112,677,894.80x = 169,142,813.40 × 87,231,712.40
  4. Step 4: Simplify right side
    112,677,894.80x = 14,754,617,253,035,668
  5. Step 5: Solve for x
    x = 14,754,617,253,035,668/112,677,894.80
  6. Step 6: Final answer
    x = 130,945,091.57

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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.