Home / 90,692,838.60-135,952,166.70-30,077,363.40

Finding the Fourth Proportional to 90,692,838.60, 135,952,166.70 and 30,077,363.40

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Solution

The fourth proportional to 90,692,838.60, 135,952,166.70 and 30,077,363.40 is: 45,087,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,692,838.60 : 135,952,166.70 = 30,077,363.40 : x
  2. Step 2: Convert to fraction form
    90,692,838.60/135,952,166.70 = 30,077,363.40/x
  3. Step 3: Cross multiply
    90,692,838.60x = 135,952,166.70 × 30,077,363.40
  4. Step 4: Simplify right side
    90,692,838.60x = 4,089,082,722,853,278
  5. Step 5: Solve for x
    x = 4,089,082,722,853,278/90,692,838.60
  6. Step 6: Final answer
    x = 45,087,162.18

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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.