Home / 103,680,037.30-155,520,055.95-97,708,069.30

Finding the Fourth Proportional to 103,680,037.30, 155,520,055.95 and 97,708,069.30

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Solution

The fourth proportional to 103,680,037.30, 155,520,055.95 and 97,708,069.30 is: 146,562,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,037.30 : 155,520,055.95 = 97,708,069.30 : x
  2. Step 2: Convert to fraction form
    103,680,037.30/155,520,055.95 = 97,708,069.30/x
  3. Step 3: Cross multiply
    103,680,037.30x = 155,520,055.95 × 97,708,069.30
  4. Step 4: Simplify right side
    103,680,037.30x = 15,195,564,404,302,476
  5. Step 5: Solve for x
    x = 15,195,564,404,302,476/103,680,037.30
  6. Step 6: Final answer
    x = 146,562,103.95

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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.