Home / 80,411,681.95-120,668,537.61-34,353,897.48

Finding the Fourth Proportional to 80,411,681.95, 120,668,537.61 and 34,353,897.48

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Solution

The fourth proportional to 80,411,681.95, 120,668,537.61 and 34,353,897.48 is: 51,552,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411,681.95 : 120,668,537.61 = 34,353,897.48 : x
  2. Step 2: Convert to fraction form
    80,411,681.95/120,668,537.61 = 34,353,897.48/x
  3. Step 3: Cross multiply
    80,411,681.95x = 120,668,537.61 × 34,353,897.48
  4. Step 4: Simplify right side
    80,411,681.95x = 4,145,434,569,512,121.50
  5. Step 5: Solve for x
    x = 4,145,434,569,512,121.50/80,411,681.95
  6. Step 6: Final answer
    x = 51,552,640.97

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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.