Home / 157,465,478.88-217,302,495.48-87,850,870.56

Finding the Fourth Proportional to 157,465,478.88, 217,302,495.48 and 87,850,870.56

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Solution

The fourth proportional to 157,465,478.88, 217,302,495.48 and 87,850,870.56 is: 121,234,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,478.88 : 217,302,495.48 = 87,850,870.56 : x
  2. Step 2: Convert to fraction form
    157,465,478.88/217,302,495.48 = 87,850,870.56/x
  3. Step 3: Cross multiply
    157,465,478.88x = 217,302,495.48 × 87,850,870.56
  4. Step 4: Simplify right side
    157,465,478.88x = 19,090,213,402,778,464
  5. Step 5: Solve for x
    x = 19,090,213,402,778,464/157,465,478.88
  6. Step 6: Final answer
    x = 121,234,276.48

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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.