Home / 51,881,119.61-77,820,432.59-16,866,188.46

Finding the Fourth Proportional to 51,881,119.61, 77,820,432.59 and 16,866,188.46

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Solution

The fourth proportional to 51,881,119.61, 77,820,432.59 and 16,866,188.46 is: 25,298,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881,119.61 : 77,820,432.59 = 16,866,188.46 : x
  2. Step 2: Convert to fraction form
    51,881,119.61/77,820,432.59 = 16,866,188.46/x
  3. Step 3: Cross multiply
    51,881,119.61x = 77,820,432.59 × 16,866,188.46
  4. Step 4: Simplify right side
    51,881,119.61x = 1,312,534,082,101,666
  5. Step 5: Solve for x
    x = 1,312,534,082,101,666/51,881,119.61
  6. Step 6: Final answer
    x = 25,298,877.36

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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.