Home / 137,266,979.31-205,900,295.09-35,031,019.23

Finding the Fourth Proportional to 137,266,979.31, 205,900,295.09 and 35,031,019.23

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Solution

The fourth proportional to 137,266,979.31, 205,900,295.09 and 35,031,019.23 is: 52,546,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,266,979.31 : 205,900,295.09 = 35,031,019.23 : x
  2. Step 2: Convert to fraction form
    137,266,979.31/205,900,295.09 = 35,031,019.23/x
  3. Step 3: Cross multiply
    137,266,979.31x = 205,900,295.09 × 35,031,019.23
  4. Step 4: Simplify right side
    137,266,979.31x = 7,212,897,196,585,309
  5. Step 5: Solve for x
    x = 7,212,897,196,585,309/137,266,979.31
  6. Step 6: Final answer
    x = 52,546,484.47

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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.