Home / 64,790,720.80-97,186,081.20-60,539,192.80

Finding the Fourth Proportional to 64,790,720.80, 97,186,081.20 and 60,539,192.80

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Solution

The fourth proportional to 64,790,720.80, 97,186,081.20 and 60,539,192.80 is: 90,808,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,790,720.80 : 97,186,081.20 = 60,539,192.80 : x
  2. Step 2: Convert to fraction form
    64,790,720.80/97,186,081.20 = 60,539,192.80/x
  3. Step 3: Cross multiply
    64,790,720.80x = 97,186,081.20 × 60,539,192.80
  4. Step 4: Simplify right side
    64,790,720.80x = 5,883,566,907,243,255
  5. Step 5: Solve for x
    x = 5,883,566,907,243,255/64,790,720.80
  6. Step 6: Final answer
    x = 90,808,789.20

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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.