Home / 113,319,222.80-169,726,891.80-87,677,085.20

Finding the Fourth Proportional to 113,319,222.80, 169,726,891.80 and 87,677,085.20

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Solution

The fourth proportional to 113,319,222.80, 169,726,891.80 and 87,677,085.20 is: 131,320,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,319,222.80 : 169,726,891.80 = 87,677,085.20 : x
  2. Step 2: Convert to fraction form
    113,319,222.80/169,726,891.80 = 87,677,085.20/x
  3. Step 3: Cross multiply
    113,319,222.80x = 169,726,891.80 × 87,677,085.20
  4. Step 4: Simplify right side
    113,319,222.80x = 14,881,159,153,079,782
  5. Step 5: Solve for x
    x = 14,881,159,153,079,782/113,319,222.80
  6. Step 6: Final answer
    x = 131,320,695.51

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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.