Home / 90,009,822.40-135,014,733.60-88,574,931.70

Finding the Fourth Proportional to 90,009,822.40, 135,014,733.60 and 88,574,931.70

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Solution

The fourth proportional to 90,009,822.40, 135,014,733.60 and 88,574,931.70 is: 132,862,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,009,822.40 : 135,014,733.60 = 88,574,931.70 : x
  2. Step 2: Convert to fraction form
    90,009,822.40/135,014,733.60 = 88,574,931.70/x
  3. Step 3: Cross multiply
    90,009,822.40x = 135,014,733.60 × 88,574,931.70
  4. Step 4: Simplify right side
    90,009,822.40x = 11,958,920,807,113,694
  5. Step 5: Solve for x
    x = 11,958,920,807,113,694/90,009,822.40
  6. Step 6: Final answer
    x = 132,862,397.55

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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.