Home / 80,803,636.88-120,762,701.38-58,989,952.49

Finding the Fourth Proportional to 80,803,636.88, 120,762,701.38 and 58,989,952.49

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Solution

The fourth proportional to 80,803,636.88, 120,762,701.38 and 58,989,952.49 is: 88,161,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803,636.88 : 120,762,701.38 = 58,989,952.49 : x
  2. Step 2: Convert to fraction form
    80,803,636.88/120,762,701.38 = 58,989,952.49/x
  3. Step 3: Cross multiply
    80,803,636.88x = 120,762,701.38 × 58,989,952.49
  4. Step 4: Simplify right side
    80,803,636.88x = 7,123,786,017,124,689
  5. Step 5: Solve for x
    x = 7,123,786,017,124,689/80,803,636.88
  6. Step 6: Final answer
    x = 88,161,700.30

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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.