Home / 91,950,904.90-126,789,159.86-75,153,518.46

Finding the Fourth Proportional to 91,950,904.90, 126,789,159.86 and 75,153,518.46

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Solution

The fourth proportional to 91,950,904.90, 126,789,159.86 and 75,153,518.46 is: 103,627,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,950,904.90 : 126,789,159.86 = 75,153,518.46 : x
  2. Step 2: Convert to fraction form
    91,950,904.90/126,789,159.86 = 75,153,518.46/x
  3. Step 3: Cross multiply
    91,950,904.90x = 126,789,159.86 × 75,153,518.46
  4. Step 4: Simplify right side
    91,950,904.90x = 9,528,651,465,432,454
  5. Step 5: Solve for x
    x = 9,528,651,465,432,454/91,950,904.90
  6. Step 6: Final answer
    x = 103,627,598.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.