Home / 103,464,000.10-155,140,012.95-42,885,849.70

Finding the Fourth Proportional to 103,464,000.10, 155,140,012.95 and 42,885,849.70

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Solution

The fourth proportional to 103,464,000.10, 155,140,012.95 and 42,885,849.70 is: 64,305,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464,000.10 : 155,140,012.95 = 42,885,849.70 : x
  2. Step 2: Convert to fraction form
    103,464,000.10/155,140,012.95 = 42,885,849.70/x
  3. Step 3: Cross multiply
    103,464,000.10x = 155,140,012.95 × 42,885,849.70
  4. Step 4: Simplify right side
    103,464,000.10x = 6,653,311,277,829,754
  5. Step 5: Solve for x
    x = 6,653,311,277,829,754/103,464,000.10
  6. Step 6: Final answer
    x = 64,305,567.84

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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.