Home / 43,017,863.20-64,526,794.80-38,314,938.40

Finding the Fourth Proportional to 43,017,863.20, 64,526,794.80 and 38,314,938.40

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Solution

The fourth proportional to 43,017,863.20, 64,526,794.80 and 38,314,938.40 is: 57,472,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017,863.20 : 64,526,794.80 = 38,314,938.40 : x
  2. Step 2: Convert to fraction form
    43,017,863.20/64,526,794.80 = 38,314,938.40/x
  3. Step 3: Cross multiply
    43,017,863.20x = 64,526,794.80 × 38,314,938.40
  4. Step 4: Simplify right side
    43,017,863.20x = 2,472,340,167,911,440
  5. Step 5: Solve for x
    x = 2,472,340,167,911,440/43,017,863.20
  6. Step 6: Final answer
    x = 57,472,407.60

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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.