Home / 64,542,485.60-96,813,728.40-56,732,271.20

Finding the Fourth Proportional to 64,542,485.60, 96,813,728.40 and 56,732,271.20

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Solution

The fourth proportional to 64,542,485.60, 96,813,728.40 and 56,732,271.20 is: 85,098,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,542,485.60 : 96,813,728.40 = 56,732,271.20 : x
  2. Step 2: Convert to fraction form
    64,542,485.60/96,813,728.40 = 56,732,271.20/x
  3. Step 3: Cross multiply
    64,542,485.60x = 96,813,728.40 × 56,732,271.20
  4. Step 4: Simplify right side
    64,542,485.60x = 5,492,462,695,471,943
  5. Step 5: Solve for x
    x = 5,492,462,695,471,943/64,542,485.60
  6. Step 6: Final answer
    x = 85,098,406.80

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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.