Home / 61,842,457.32-92,775,089.76-20,345,668.80

Finding the Fourth Proportional to 61,842,457.32, 92,775,089.76 and 20,345,668.80

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Solution

The fourth proportional to 61,842,457.32, 92,775,089.76 and 20,345,668.80 is: 30,522,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,842,457.32 : 92,775,089.76 = 20,345,668.80 : x
  2. Step 2: Convert to fraction form
    61,842,457.32/92,775,089.76 = 20,345,668.80/x
  3. Step 3: Cross multiply
    61,842,457.32x = 92,775,089.76 × 20,345,668.80
  4. Step 4: Simplify right side
    61,842,457.32x = 1,887,571,249,147,231.75
  5. Step 5: Solve for x
    x = 1,887,571,249,147,231.75/61,842,457.32
  6. Step 6: Final answer
    x = 30,522,254.95

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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.