Home / 71,357,115.51-98,475,526.31-39,995,744.13

Finding the Fourth Proportional to 71,357,115.51, 98,475,526.31 and 39,995,744.13

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Solution

The fourth proportional to 71,357,115.51, 98,475,526.31 and 39,995,744.13 is: 55,195,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357,115.51 : 98,475,526.31 = 39,995,744.13 : x
  2. Step 2: Convert to fraction form
    71,357,115.51/98,475,526.31 = 39,995,744.13/x
  3. Step 3: Cross multiply
    71,357,115.51x = 98,475,526.31 × 39,995,744.13
  4. Step 4: Simplify right side
    71,357,115.51x = 3,938,601,953,161,865
  5. Step 5: Solve for x
    x = 3,938,601,953,161,865/71,357,115.51
  6. Step 6: Final answer
    x = 55,195,644.12

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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.