Home / 90,730,400.40-136,095,600.60-30,146,126.40

Finding the Fourth Proportional to 90,730,400.40, 136,095,600.60 and 30,146,126.40

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Solution

The fourth proportional to 90,730,400.40, 136,095,600.60 and 30,146,126.40 is: 45,219,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730,400.40 : 136,095,600.60 = 30,146,126.40 : x
  2. Step 2: Convert to fraction form
    90,730,400.40/136,095,600.60 = 30,146,126.40/x
  3. Step 3: Cross multiply
    90,730,400.40x = 136,095,600.60 × 30,146,126.40
  4. Step 4: Simplify right side
    90,730,400.40x = 4,102,755,178,171,515.50
  5. Step 5: Solve for x
    x = 4,102,755,178,171,515.50/90,730,400.40
  6. Step 6: Final answer
    x = 45,219,189.60

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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.