Home / 42,140,281.91-63,210,422.87-11,848,144.91

Finding the Fourth Proportional to 42,140,281.91, 63,210,422.87 and 11,848,144.91

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Solution

The fourth proportional to 42,140,281.91, 63,210,422.87 and 11,848,144.91 is: 17,772,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140,281.91 : 63,210,422.87 = 11,848,144.91 : x
  2. Step 2: Convert to fraction form
    42,140,281.91/63,210,422.87 = 11,848,144.91/x
  3. Step 3: Cross multiply
    42,140,281.91x = 63,210,422.87 × 11,848,144.91
  4. Step 4: Simplify right side
    42,140,281.91x = 748,926,249,655,275.75
  5. Step 5: Solve for x
    x = 748,926,249,655,275.75/42,140,281.91
  6. Step 6: Final answer
    x = 17,772,217.36

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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.