Home / 425,315,174-637,972,760.28-102,199,046

Finding the Fourth Proportional to 425,315,174, 637,972,760.28 and 102,199,046

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Solution

The fourth proportional to 425,315,174, 637,972,760.28 and 102,199,046 is: 153,298,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,315,174 : 637,972,760.28 = 102,199,046 : x
  2. Step 2: Convert to fraction form
    425,315,174/637,972,760.28 = 102,199,046/x
  3. Step 3: Cross multiply
    425,315,174x = 637,972,760.28 × 102,199,046
  4. Step 4: Simplify right side
    425,315,174x = 65,200,207,474,602,688
  5. Step 5: Solve for x
    x = 65,200,207,474,602,688/425,315,174
  6. Step 6: Final answer
    x = 153,298,568.83

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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.