Home / 77,897,473.68-116,856,838.80-32,448,639.36

Finding the Fourth Proportional to 77,897,473.68, 116,856,838.80 and 32,448,639.36

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Solution

The fourth proportional to 77,897,473.68, 116,856,838.80 and 32,448,639.36 is: 48,677,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,897,473.68 : 116,856,838.80 = 32,448,639.36 : x
  2. Step 2: Convert to fraction form
    77,897,473.68/116,856,838.80 = 32,448,639.36/x
  3. Step 3: Cross multiply
    77,897,473.68x = 116,856,838.80 × 32,448,639.36
  4. Step 4: Simplify right side
    77,897,473.68x = 3,791,845,418,970,855
  5. Step 5: Solve for x
    x = 3,791,845,418,970,855/77,897,473.68
  6. Step 6: Final answer
    x = 48,677,386.31

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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.