Home / 82,959,129.69-124,444,673.28-31,841,148.51

Finding the Fourth Proportional to 82,959,129.69, 124,444,673.28 and 31,841,148.51

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Solution

The fourth proportional to 82,959,129.69, 124,444,673.28 and 31,841,148.51 is: 47,764,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,959,129.69 : 124,444,673.28 = 31,841,148.51 : x
  2. Step 2: Convert to fraction form
    82,959,129.69/124,444,673.28 = 31,841,148.51/x
  3. Step 3: Cross multiply
    82,959,129.69x = 124,444,673.28 × 31,841,148.51
  4. Step 4: Simplify right side
    82,959,129.69x = 3,962,461,323,186,909
  5. Step 5: Solve for x
    x = 3,962,461,323,186,909/82,959,129.69
  6. Step 6: Final answer
    x = 47,764,017.51

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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.