Home / 102,679,146.18-141,697,346.34-55,636,182.57

Finding the Fourth Proportional to 102,679,146.18, 141,697,346.34 and 55,636,182.57

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Solution

The fourth proportional to 102,679,146.18, 141,697,346.34 and 55,636,182.57 is: 76,777,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,679,146.18 : 141,697,346.34 = 55,636,182.57 : x
  2. Step 2: Convert to fraction form
    102,679,146.18/141,697,346.34 = 55,636,182.57/x
  3. Step 3: Cross multiply
    102,679,146.18x = 141,697,346.34 × 55,636,182.57
  4. Step 4: Simplify right side
    102,679,146.18x = 7,883,499,430,656,762
  5. Step 5: Solve for x
    x = 7,883,499,430,656,762/102,679,146.18
  6. Step 6: Final answer
    x = 76,777,999.47

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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.