Home / 103,589,781.60-155,384,672.40-35,426,402.40

Finding the Fourth Proportional to 103,589,781.60, 155,384,672.40 and 35,426,402.40

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Solution

The fourth proportional to 103,589,781.60, 155,384,672.40 and 35,426,402.40 is: 53,139,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589,781.60 : 155,384,672.40 = 35,426,402.40 : x
  2. Step 2: Convert to fraction form
    103,589,781.60/155,384,672.40 = 35,426,402.40/x
  3. Step 3: Cross multiply
    103,589,781.60x = 155,384,672.40 × 35,426,402.40
  4. Step 4: Simplify right side
    103,589,781.60x = 5,504,719,931,234,574
  5. Step 5: Solve for x
    x = 5,504,719,931,234,574/103,589,781.60
  6. Step 6: Final answer
    x = 53,139,603.60

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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.