Home / 64,513,205.40-96,769,808.10-54,771,432.60

Finding the Fourth Proportional to 64,513,205.40, 96,769,808.10 and 54,771,432.60

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Solution

The fourth proportional to 64,513,205.40, 96,769,808.10 and 54,771,432.60 is: 82,157,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,205.40 : 96,769,808.10 = 54,771,432.60 : x
  2. Step 2: Convert to fraction form
    64,513,205.40/96,769,808.10 = 54,771,432.60/x
  3. Step 3: Cross multiply
    64,513,205.40x = 96,769,808.10 × 54,771,432.60
  4. Step 4: Simplify right side
    64,513,205.40x = 5,300,221,022,064,084
  5. Step 5: Solve for x
    x = 5,300,221,022,064,084/64,513,205.40
  6. Step 6: Final answer
    x = 82,157,148.90

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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.