Home / 142,117,444.90-213,196,502.63-43,757,473.87

Finding the Fourth Proportional to 142,117,444.90, 213,196,502.63 and 43,757,473.87

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Solution

The fourth proportional to 142,117,444.90, 213,196,502.63 and 43,757,473.87 is: 65,642,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,444.90 : 213,196,502.63 = 43,757,473.87 : x
  2. Step 2: Convert to fraction form
    142,117,444.90/213,196,502.63 = 43,757,473.87/x
  3. Step 3: Cross multiply
    142,117,444.90x = 213,196,502.63 × 43,757,473.87
  4. Step 4: Simplify right side
    142,117,444.90x = 9,328,940,392,126,298
  5. Step 5: Solve for x
    x = 9,328,940,392,126,298/142,117,444.90
  6. Step 6: Final answer
    x = 65,642,471.96

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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.