Home / 92,909,177.28-128,221,846.56-55,740,856.32

Finding the Fourth Proportional to 92,909,177.28, 128,221,846.56 and 55,740,856.32

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Solution

The fourth proportional to 92,909,177.28, 128,221,846.56 and 55,740,856.32 is: 76,926,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909,177.28 : 128,221,846.56 = 55,740,856.32 : x
  2. Step 2: Convert to fraction form
    92,909,177.28/128,221,846.56 = 55,740,856.32/x
  3. Step 3: Cross multiply
    92,909,177.28x = 128,221,846.56 × 55,740,856.32
  4. Step 4: Simplify right side
    92,909,177.28x = 7,147,195,526,186,046
  5. Step 5: Solve for x
    x = 7,147,195,526,186,046/92,909,177.28
  6. Step 6: Final answer
    x = 76,926,690.51

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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.