Home / 64,271,967.20-96,502,429.20-45,187,330.40

Finding the Fourth Proportional to 64,271,967.20, 96,502,429.20 and 45,187,330.40

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Solution

The fourth proportional to 64,271,967.20, 96,502,429.20 and 45,187,330.40 is: 67,847,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271,967.20 : 96,502,429.20 = 45,187,330.40 : x
  2. Step 2: Convert to fraction form
    64,271,967.20/96,502,429.20 = 45,187,330.40/x
  3. Step 3: Cross multiply
    64,271,967.20x = 96,502,429.20 × 45,187,330.40
  4. Step 4: Simplify right side
    64,271,967.20x = 4,360,687,152,663,007.50
  5. Step 5: Solve for x
    x = 4,360,687,152,663,007.50/64,271,967.20
  6. Step 6: Final answer
    x = 67,847,420.00

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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.