Home / 77,041,801.85-106,324,412.61-42,241,218.35

Finding the Fourth Proportional to 77,041,801.85, 106,324,412.61 and 42,241,218.35

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Solution

The fourth proportional to 77,041,801.85, 106,324,412.61 and 42,241,218.35 is: 58,296,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,041,801.85 : 106,324,412.61 = 42,241,218.35 : x
  2. Step 2: Convert to fraction form
    77,041,801.85/106,324,412.61 = 42,241,218.35/x
  3. Step 3: Cross multiply
    77,041,801.85x = 106,324,412.61 × 42,241,218.35
  4. Step 4: Simplify right side
    77,041,801.85x = 4,491,272,728,462,881
  5. Step 5: Solve for x
    x = 4,491,272,728,462,881/77,041,801.85
  6. Step 6: Final answer
    x = 58,296,569.15

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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.