Home / 91,008,303.60-136,512,455.40-33,488,672.70

Finding the Fourth Proportional to 91,008,303.60, 136,512,455.40 and 33,488,672.70

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Solution

The fourth proportional to 91,008,303.60, 136,512,455.40 and 33,488,672.70 is: 50,233,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008,303.60 : 136,512,455.40 = 33,488,672.70 : x
  2. Step 2: Convert to fraction form
    91,008,303.60/136,512,455.40 = 33,488,672.70/x
  3. Step 3: Cross multiply
    91,008,303.60x = 136,512,455.40 × 33,488,672.70
  4. Step 4: Simplify right side
    91,008,303.60x = 4,571,620,938,363,948
  5. Step 5: Solve for x
    x = 4,571,620,938,363,948/91,008,303.60
  6. Step 6: Final answer
    x = 50,233,009.05

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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.