Home / 77,900,364-116,774,611.20-32,475,149.28

Finding the Fourth Proportional to 77,900,364, 116,774,611.20 and 32,475,149.28

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Solution

The fourth proportional to 77,900,364, 116,774,611.20 and 32,475,149.28 is: 48,681,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,900,364 : 116,774,611.20 = 32,475,149.28 : x
  2. Step 2: Convert to fraction form
    77,900,364/116,774,611.20 = 32,475,149.28/x
  3. Step 3: Cross multiply
    77,900,364x = 116,774,611.20 × 32,475,149.28
  4. Step 4: Simplify right side
    77,900,364x = 3,792,272,930,833,960
  5. Step 5: Solve for x
    x = 3,792,272,930,833,960/77,900,364
  6. Step 6: Final answer
    x = 48,681,068.18

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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.