Home / 103,520,330.30-155,280,495.45-49,639,907.90

Finding the Fourth Proportional to 103,520,330.30, 155,280,495.45 and 49,639,907.90

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Solution

The fourth proportional to 103,520,330.30, 155,280,495.45 and 49,639,907.90 is: 74,459,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,330.30 : 155,280,495.45 = 49,639,907.90 : x
  2. Step 2: Convert to fraction form
    103,520,330.30/155,280,495.45 = 49,639,907.90/x
  3. Step 3: Cross multiply
    103,520,330.30x = 155,280,495.45 × 49,639,907.90
  4. Step 4: Simplify right side
    103,520,330.30x = 7,708,109,492,804,368
  5. Step 5: Solve for x
    x = 7,708,109,492,804,368/103,520,330.30
  6. Step 6: Final answer
    x = 74,459,861.85

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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.