Home / 103,196,474.62-142,409,333.12-56,151,960.95

Finding the Fourth Proportional to 103,196,474.62, 142,409,333.12 and 56,151,960.95

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Solution

The fourth proportional to 103,196,474.62, 142,409,333.12 and 56,151,960.95 is: 77,488,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,196,474.62 : 142,409,333.12 = 56,151,960.95 : x
  2. Step 2: Convert to fraction form
    103,196,474.62/142,409,333.12 = 56,151,960.95/x
  3. Step 3: Cross multiply
    103,196,474.62x = 142,409,333.12 × 56,151,960.95
  4. Step 4: Simplify right side
    103,196,474.62x = 7,996,563,312,345,046
  5. Step 5: Solve for x
    x = 7,996,563,312,345,046/103,196,474.62
  6. Step 6: Final answer
    x = 77,488,725.68

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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.