Home / 71,668,598.18-106,979,689.38-61,498,810.35

Finding the Fourth Proportional to 71,668,598.18, 106,979,689.38 and 61,498,810.35

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Solution

The fourth proportional to 71,668,598.18, 106,979,689.38 and 61,498,810.35 is: 91,799,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668,598.18 : 106,979,689.38 = 61,498,810.35 : x
  2. Step 2: Convert to fraction form
    71,668,598.18/106,979,689.38 = 61,498,810.35/x
  3. Step 3: Cross multiply
    71,668,598.18x = 106,979,689.38 × 61,498,810.35
  4. Step 4: Simplify right side
    71,668,598.18x = 6,579,123,628,239,619
  5. Step 5: Solve for x
    x = 6,579,123,628,239,619/71,668,598.18
  6. Step 6: Final answer
    x = 91,799,250.93

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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.