Home / 125,071,738.60-187,598,564.70-38,807,943.40

Finding the Fourth Proportional to 125,071,738.60, 187,598,564.70 and 38,807,943.40

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Solution

The fourth proportional to 125,071,738.60, 187,598,564.70 and 38,807,943.40 is: 58,209,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,071,738.60 : 187,598,564.70 = 38,807,943.40 : x
  2. Step 2: Convert to fraction form
    125,071,738.60/187,598,564.70 = 38,807,943.40/x
  3. Step 3: Cross multiply
    125,071,738.60x = 187,598,564.70 × 38,807,943.40
  4. Step 4: Simplify right side
    125,071,738.60x = 7,280,314,480,798,837
  5. Step 5: Solve for x
    x = 7,280,314,480,798,837/125,071,738.60
  6. Step 6: Final answer
    x = 58,209,109.13

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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.