Home / 125,208,087.40-187,812,131.10-57,183,639.40

Finding the Fourth Proportional to 125,208,087.40, 187,812,131.10 and 57,183,639.40

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Solution

The fourth proportional to 125,208,087.40, 187,812,131.10 and 57,183,639.40 is: 85,775,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,208,087.40 : 187,812,131.10 = 57,183,639.40 : x
  2. Step 2: Convert to fraction form
    125,208,087.40/187,812,131.10 = 57,183,639.40/x
  3. Step 3: Cross multiply
    125,208,087.40x = 187,812,131.10 × 57,183,639.40
  4. Step 4: Simplify right side
    125,208,087.40x = 10,739,781,179,767,924
  5. Step 5: Solve for x
    x = 10,739,781,179,767,924/125,208,087.40
  6. Step 6: Final answer
    x = 85,775,459.10

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1.5x scale

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.