Home / 71,102,098.69-98,120,896.29-38,507,050.69

Finding the Fourth Proportional to 71,102,098.69, 98,120,896.29 and 38,507,050.69

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Solution

The fourth proportional to 71,102,098.69, 98,120,896.29 and 38,507,050.69 is: 53,139,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,102,098.69 : 98,120,896.29 = 38,507,050.69 : x
  2. Step 2: Convert to fraction form
    71,102,098.69/98,120,896.29 = 38,507,050.69/x
  3. Step 3: Cross multiply
    71,102,098.69x = 98,120,896.29 × 38,507,050.69
  4. Step 4: Simplify right side
    71,102,098.69x = 3,778,346,326,941,961
  5. Step 5: Solve for x
    x = 3,778,346,326,941,961/71,102,098.69
  6. Step 6: Final answer
    x = 53,139,730.00

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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.