Home / 157,464,165.90-236,196,248.85-142,158,665.10

Finding the Fourth Proportional to 157,464,165.90, 236,196,248.85 and 142,158,665.10

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Solution

The fourth proportional to 157,464,165.90, 236,196,248.85 and 142,158,665.10 is: 213,237,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,165.90 : 236,196,248.85 = 142,158,665.10 : x
  2. Step 2: Convert to fraction form
    157,464,165.90/236,196,248.85 = 142,158,665.10/x
  3. Step 3: Cross multiply
    157,464,165.90x = 236,196,248.85 × 142,158,665.10
  4. Step 4: Simplify right side
    157,464,165.90x = 33,577,343,438,143,408
  5. Step 5: Solve for x
    x = 33,577,343,438,143,408/157,464,165.90
  6. Step 6: Final answer
    x = 213,237,997.65

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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.