Home / 172,656,703.31-259,169,419.61-74,337,101.87

Finding the Fourth Proportional to 172,656,703.31, 259,169,419.61 and 74,337,101.87

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Solution

The fourth proportional to 172,656,703.31, 259,169,419.61 and 74,337,101.87 is: 111,585,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,656,703.31 : 259,169,419.61 = 74,337,101.87 : x
  2. Step 2: Convert to fraction form
    172,656,703.31/259,169,419.61 = 74,337,101.87/x
  3. Step 3: Cross multiply
    172,656,703.31x = 259,169,419.61 × 74,337,101.87
  4. Step 4: Simplify right side
    172,656,703.31x = 19,265,903,547,137,348
  5. Step 5: Solve for x
    x = 19,265,903,547,137,348/172,656,703.31
  6. Step 6: Final answer
    x = 111,585,030.74

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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.