Home / 125,966,217.40-188,949,326.10-40,865,673.40

Finding the Fourth Proportional to 125,966,217.40, 188,949,326.10 and 40,865,673.40

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Solution

The fourth proportional to 125,966,217.40, 188,949,326.10 and 40,865,673.40 is: 61,298,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,966,217.40 : 188,949,326.10 = 40,865,673.40 : x
  2. Step 2: Convert to fraction form
    125,966,217.40/188,949,326.10 = 40,865,673.40/x
  3. Step 3: Cross multiply
    125,966,217.40x = 188,949,326.10 × 40,865,673.40
  4. Step 4: Simplify right side
    125,966,217.40x = 7,721,541,449,552,695
  5. Step 5: Solve for x
    x = 7,721,541,449,552,695/125,966,217.40
  6. Step 6: Final answer
    x = 61,298,510.10

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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.