Home / 157,206,599.16-216,945,995.55-91,166,308.29

Finding the Fourth Proportional to 157,206,599.16, 216,945,995.55 and 91,166,308.29

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Solution

The fourth proportional to 157,206,599.16, 216,945,995.55 and 91,166,308.29 is: 125,810,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,206,599.16 : 216,945,995.55 = 91,166,308.29 : x
  2. Step 2: Convert to fraction form
    157,206,599.16/216,945,995.55 = 91,166,308.29/x
  3. Step 3: Cross multiply
    157,206,599.16x = 216,945,995.55 × 91,166,308.29
  4. Step 4: Simplify right side
    157,206,599.16x = 19,778,165,512,592,272
  5. Step 5: Solve for x
    x = 19,778,165,512,592,272/157,206,599.16
  6. Step 6: Final answer
    x = 125,810,020.82

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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.