Home / 65,366,998.80-98,050,498.20-39,857,830.80

Finding the Fourth Proportional to 65,366,998.80, 98,050,498.20 and 39,857,830.80

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Solution

The fourth proportional to 65,366,998.80, 98,050,498.20 and 39,857,830.80 is: 59,786,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,366,998.80 : 98,050,498.20 = 39,857,830.80 : x
  2. Step 2: Convert to fraction form
    65,366,998.80/98,050,498.20 = 39,857,830.80/x
  3. Step 3: Cross multiply
    65,366,998.80x = 98,050,498.20 × 39,857,830.80
  4. Step 4: Simplify right side
    65,366,998.80x = 3,908,080,167,111,304.50
  5. Step 5: Solve for x
    x = 3,908,080,167,111,304.50/65,366,998.80
  6. Step 6: Final answer
    x = 59,786,746.20

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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.