Home / 74,862,314.80-112,069,523.40-65,904,362.80

Finding the Fourth Proportional to 74,862,314.80, 112,069,523.40 and 65,904,362.80

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Solution

The fourth proportional to 74,862,314.80, 112,069,523.40 and 65,904,362.80 is: 98,659,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862,314.80 : 112,069,523.40 = 65,904,362.80 : x
  2. Step 2: Convert to fraction form
    74,862,314.80/112,069,523.40 = 65,904,362.80/x
  3. Step 3: Cross multiply
    74,862,314.80x = 112,069,523.40 × 65,904,362.80
  4. Step 4: Simplify right side
    74,862,314.80x = 7,385,870,528,976,690
  5. Step 5: Solve for x
    x = 7,385,870,528,976,690/74,862,314.80
  6. Step 6: Final answer
    x = 98,659,392.90

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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.