Home / 91,609,740-126,421,703.64-52,452,117.36

Finding the Fourth Proportional to 91,609,740, 126,421,703.64 and 52,452,117.36

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Solution

The fourth proportional to 91,609,740, 126,421,703.64 and 52,452,117.36 is: 72,384,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,609,740 : 126,421,703.64 = 52,452,117.36 : x
  2. Step 2: Convert to fraction form
    91,609,740/126,421,703.64 = 52,452,117.36/x
  3. Step 3: Cross multiply
    91,609,740x = 126,421,703.64 × 52,452,117.36
  4. Step 4: Simplify right side
    91,609,740x = 6,631,086,036,176,419
  5. Step 5: Solve for x
    x = 6,631,086,036,176,419/91,609,740
  6. Step 6: Final answer
    x = 72,384,072.22

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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.