Home / 56,806,013.80-85,209,020.70-47,736,087.40

Finding the Fourth Proportional to 56,806,013.80, 85,209,020.70 and 47,736,087.40

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Solution

The fourth proportional to 56,806,013.80, 85,209,020.70 and 47,736,087.40 is: 71,604,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806,013.80 : 85,209,020.70 = 47,736,087.40 : x
  2. Step 2: Convert to fraction form
    56,806,013.80/85,209,020.70 = 47,736,087.40/x
  3. Step 3: Cross multiply
    56,806,013.80x = 85,209,020.70 × 47,736,087.40
  4. Step 4: Simplify right side
    56,806,013.80x = 4,067,545,259,403,609
  5. Step 5: Solve for x
    x = 4,067,545,259,403,609/56,806,013.80
  6. Step 6: Final answer
    x = 71,604,131.10

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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.