Home / 85,487,479.40-128,221,377.60-24,903,205.40

Finding the Fourth Proportional to 85,487,479.40, 128,221,377.60 and 24,903,205.40

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Solution

The fourth proportional to 85,487,479.40, 128,221,377.60 and 24,903,205.40 is: 37,351,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,487,479.40 : 128,221,377.60 = 24,903,205.40 : x
  2. Step 2: Convert to fraction form
    85,487,479.40/128,221,377.60 = 24,903,205.40/x
  3. Step 3: Cross multiply
    85,487,479.40x = 128,221,377.60 × 24,903,205.40
  4. Step 4: Simplify right side
    85,487,479.40x = 3,193,123,303,043,758.50
  5. Step 5: Solve for x
    x = 3,193,123,303,043,758.50/85,487,479.40
  6. Step 6: Final answer
    x = 37,351,941.19

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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.