Home / 66,708,933.06-92,059,267.80-38,435,680.22

Finding the Fourth Proportional to 66,708,933.06, 92,059,267.80 and 38,435,680.22

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Solution

The fourth proportional to 66,708,933.06, 92,059,267.80 and 38,435,680.22 is: 53,041,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708,933.06 : 92,059,267.80 = 38,435,680.22 : x
  2. Step 2: Convert to fraction form
    66,708,933.06/92,059,267.80 = 38,435,680.22/x
  3. Step 3: Cross multiply
    66,708,933.06x = 92,059,267.80 × 38,435,680.22
  4. Step 4: Simplify right side
    66,708,933.06x = 3,538,360,577,987,847
  5. Step 5: Solve for x
    x = 3,538,360,577,987,847/66,708,933.06
  6. Step 6: Final answer
    x = 53,041,780.40

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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.