Home / 71,696,345.51-107,136,371.12-53,833,594.50

Finding the Fourth Proportional to 71,696,345.51, 107,136,371.12 and 53,833,594.50

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Solution

The fourth proportional to 71,696,345.51, 107,136,371.12 and 53,833,594.50 is: 80,443,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,696,345.51 : 107,136,371.12 = 53,833,594.50 : x
  2. Step 2: Convert to fraction form
    71,696,345.51/107,136,371.12 = 53,833,594.50/x
  3. Step 3: Cross multiply
    71,696,345.51x = 107,136,371.12 × 53,833,594.50
  4. Step 4: Simplify right side
    71,696,345.51x = 5,767,535,959,075,591
  5. Step 5: Solve for x
    x = 5,767,535,959,075,591/71,696,345.51
  6. Step 6: Final answer
    x = 80,443,932.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.