Home / 66,445,161.80-99,667,742.70-64,952,169.80

Finding the Fourth Proportional to 66,445,161.80, 99,667,742.70 and 64,952,169.80

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Solution

The fourth proportional to 66,445,161.80, 99,667,742.70 and 64,952,169.80 is: 97,428,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,161.80 : 99,667,742.70 = 64,952,169.80 : x
  2. Step 2: Convert to fraction form
    66,445,161.80/99,667,742.70 = 64,952,169.80/x
  3. Step 3: Cross multiply
    66,445,161.80x = 99,667,742.70 × 64,952,169.80
  4. Step 4: Simplify right side
    66,445,161.80x = 6,473,636,147,433,110
  5. Step 5: Solve for x
    x = 6,473,636,147,433,110/66,445,161.80
  6. Step 6: Final answer
    x = 97,428,254.70

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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.