Home / 125,966,219.40-188,949,329.10-40,865,675.40

Finding the Fourth Proportional to 125,966,219.40, 188,949,329.10 and 40,865,675.40

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Solution

The fourth proportional to 125,966,219.40, 188,949,329.10 and 40,865,675.40 is: 61,298,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,966,219.40 : 188,949,329.10 = 40,865,675.40 : x
  2. Step 2: Convert to fraction form
    125,966,219.40/188,949,329.10 = 40,865,675.40/x
  3. Step 3: Cross multiply
    125,966,219.40x = 188,949,329.10 × 40,865,675.40
  4. Step 4: Simplify right side
    125,966,219.40x = 7,721,541,950,048,374
  5. Step 5: Solve for x
    x = 7,721,541,950,048,374/125,966,219.40
  6. Step 6: Final answer
    x = 61,298,513.10

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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.