Home / 64,723,432.20-97,085,148.30-39,325,979.40

Finding the Fourth Proportional to 64,723,432.20, 97,085,148.30 and 39,325,979.40

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Solution

The fourth proportional to 64,723,432.20, 97,085,148.30 and 39,325,979.40 is: 58,988,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723,432.20 : 97,085,148.30 = 39,325,979.40 : x
  2. Step 2: Convert to fraction form
    64,723,432.20/97,085,148.30 = 39,325,979.40/x
  3. Step 3: Cross multiply
    64,723,432.20x = 97,085,148.30 × 39,325,979.40
  4. Step 4: Simplify right side
    64,723,432.20x = 3,817,968,542,091,745
  5. Step 5: Solve for x
    x = 3,817,968,542,091,745/64,723,432.20
  6. Step 6: Final answer
    x = 58,988,969.10

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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.