Home / 157,465,424.52-217,302,421.32-87,850,816.20

Finding the Fourth Proportional to 157,465,424.52, 217,302,421.32 and 87,850,816.20

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Solution

The fourth proportional to 157,465,424.52, 217,302,421.32 and 87,850,816.20 is: 121,234,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,424.52 : 217,302,421.32 = 87,850,816.20 : x
  2. Step 2: Convert to fraction form
    157,465,424.52/217,302,421.32 = 87,850,816.20/x
  3. Step 3: Cross multiply
    157,465,424.52x = 217,302,421.32 × 87,850,816.20
  4. Step 4: Simplify right side
    157,465,424.52x = 19,090,195,075,198,280
  5. Step 5: Solve for x
    x = 19,090,195,075,198,280/157,465,424.52
  6. Step 6: Final answer
    x = 121,234,201.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.