Home / 142,605,774.78-213,923,161.17-49,220,592.90

Finding the Fourth Proportional to 142,605,774.78, 213,923,161.17 and 49,220,592.90

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Solution

The fourth proportional to 142,605,774.78, 213,923,161.17 and 49,220,592.90 is: 73,835,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,605,774.78 : 213,923,161.17 = 49,220,592.90 : x
  2. Step 2: Convert to fraction form
    142,605,774.78/213,923,161.17 = 49,220,592.90/x
  3. Step 3: Cross multiply
    142,605,774.78x = 213,923,161.17 × 49,220,592.90
  4. Step 4: Simplify right side
    142,605,774.78x = 10,529,424,827,829,656
  5. Step 5: Solve for x
    x = 10,529,424,827,829,656/142,605,774.78
  6. Step 6: Final answer
    x = 73,835,893.70

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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.