Home / 71,219,713.80-106,829,570.70-70,463,886.60

Finding the Fourth Proportional to 71,219,713.80, 106,829,570.70 and 70,463,886.60

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Solution

The fourth proportional to 71,219,713.80, 106,829,570.70 and 70,463,886.60 is: 105,695,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,219,713.80 : 106,829,570.70 = 70,463,886.60 : x
  2. Step 2: Convert to fraction form
    71,219,713.80/106,829,570.70 = 70,463,886.60/x
  3. Step 3: Cross multiply
    71,219,713.80x = 106,829,570.70 × 70,463,886.60
  4. Step 4: Simplify right side
    71,219,713.80x = 7,527,626,755,331,482
  5. Step 5: Solve for x
    x = 7,527,626,755,331,482/71,219,713.80
  6. Step 6: Final answer
    x = 105,695,829.90

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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.