Home / 90,376,323.40-124,710,611.51-50,685,465.47

Finding the Fourth Proportional to 90,376,323.40, 124,710,611.51 and 50,685,465.47

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Solution

The fourth proportional to 90,376,323.40, 124,710,611.51 and 50,685,465.47 is: 69,941,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376,323.40 : 124,710,611.51 = 50,685,465.47 : x
  2. Step 2: Convert to fraction form
    90,376,323.40/124,710,611.51 = 50,685,465.47/x
  3. Step 3: Cross multiply
    90,376,323.40x = 124,710,611.51 × 50,685,465.47
  4. Step 4: Simplify right side
    90,376,323.40x = 6,321,015,393,179,262
  5. Step 5: Solve for x
    x = 6,321,015,393,179,262/90,376,323.40
  6. Step 6: Final answer
    x = 69,941,054.87

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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.