Home / 103,464,000.60-155,140,013.70-42,885,850.20

Finding the Fourth Proportional to 103,464,000.60, 155,140,013.70 and 42,885,850.20

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Solution

The fourth proportional to 103,464,000.60, 155,140,013.70 and 42,885,850.20 is: 64,305,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,000.60 : 155,140,013.70 = 42,885,850.20 : x
  2. Step 2: Convert to fraction form
    103,464,000.60/155,140,013.70 = 42,885,850.20/x
  3. Step 3: Cross multiply
    103,464,000.60x = 155,140,013.70 × 42,885,850.20
  4. Step 4: Simplify right side
    103,464,000.60x = 6,653,311,387,564,148
  5. Step 5: Solve for x
    x = 6,653,311,387,564,148/103,464,000.60
  6. Step 6: Final answer
    x = 64,305,568.59

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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.