Home / 142,024,117.90-213,036,176.85-51,135,897.10

Finding the Fourth Proportional to 142,024,117.90, 213,036,176.85 and 51,135,897.10

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Solution

The fourth proportional to 142,024,117.90, 213,036,176.85 and 51,135,897.10 is: 76,703,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,024,117.90 : 213,036,176.85 = 51,135,897.10 : x
  2. Step 2: Convert to fraction form
    142,024,117.90/213,036,176.85 = 51,135,897.10/x
  3. Step 3: Cross multiply
    142,024,117.90x = 213,036,176.85 × 51,135,897.10
  4. Step 4: Simplify right side
    142,024,117.90x = 10,893,796,017,979,002
  5. Step 5: Solve for x
    x = 10,893,796,017,979,002/142,024,117.90
  6. Step 6: Final answer
    x = 76,703,845.65

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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.