Home / 71,668,625.85-106,979,730.57-61,498,837.98

Finding the Fourth Proportional to 71,668,625.85, 106,979,730.57 and 61,498,837.98

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Solution

The fourth proportional to 71,668,625.85, 106,979,730.57 and 61,498,837.98 is: 91,799,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668,625.85 : 106,979,730.57 = 61,498,837.98 : x
  2. Step 2: Convert to fraction form
    71,668,625.85/106,979,730.57 = 61,498,837.98/x
  3. Step 3: Cross multiply
    71,668,625.85x = 106,979,730.57 × 61,498,837.98
  4. Step 4: Simplify right side
    71,668,625.85x = 6,579,129,117,468,482
  5. Step 5: Solve for x
    x = 6,579,129,117,468,482/71,668,625.85
  6. Step 6: Final answer
    x = 91,799,292.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.