Home / 90,288,586.39-124,605,933.71-51,137,327.92

Finding the Fourth Proportional to 90,288,586.39, 124,605,933.71 and 51,137,327.92

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Solution

The fourth proportional to 90,288,586.39, 124,605,933.71 and 51,137,327.92 is: 70,573,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,586.39 : 124,605,933.71 = 51,137,327.92 : x
  2. Step 2: Convert to fraction form
    90,288,586.39/124,605,933.71 = 51,137,327.92/x
  3. Step 3: Cross multiply
    90,288,586.39x = 124,605,933.71 × 51,137,327.92
  4. Step 4: Simplify right side
    90,288,586.39x = 6,372,014,492,338,850
  5. Step 5: Solve for x
    x = 6,372,014,492,338,850/90,288,586.39
  6. Step 6: Final answer
    x = 70,573,864.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.