Home / 90,983,417.40-136,475,126.10-56,546,040.60

Finding the Fourth Proportional to 90,983,417.40, 136,475,126.10 and 56,546,040.60

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Solution

The fourth proportional to 90,983,417.40, 136,475,126.10 and 56,546,040.60 is: 84,819,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,983,417.40 : 136,475,126.10 = 56,546,040.60 : x
  2. Step 2: Convert to fraction form
    90,983,417.40/136,475,126.10 = 56,546,040.60/x
  3. Step 3: Cross multiply
    90,983,417.40x = 136,475,126.10 × 56,546,040.60
  4. Step 4: Simplify right side
    90,983,417.40x = 7,717,128,021,340,720
  5. Step 5: Solve for x
    x = 7,717,128,021,340,720/90,983,417.40
  6. Step 6: Final answer
    x = 84,819,060.90

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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.