Home / 63,578,123.51-95,228,142.80-45,077,990.81

Finding the Fourth Proportional to 63,578,123.51, 95,228,142.80 and 45,077,990.81

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Solution

The fourth proportional to 63,578,123.51, 95,228,142.80 and 45,077,990.81 is: 67,518,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,578,123.51 : 95,228,142.80 = 45,077,990.81 : x
  2. Step 2: Convert to fraction form
    63,578,123.51/95,228,142.80 = 45,077,990.81/x
  3. Step 3: Cross multiply
    63,578,123.51x = 95,228,142.80 × 45,077,990.81
  4. Step 4: Simplify right side
    63,578,123.51x = 4,292,693,345,290,237
  5. Step 5: Solve for x
    x = 4,292,693,345,290,237/63,578,123.51
  6. Step 6: Final answer
    x = 67,518,402.69

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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.