Home / 106,289,002.20-159,433,503.30-97,219,075.80

Finding the Fourth Proportional to 106,289,002.20, 159,433,503.30 and 97,219,075.80

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Solution

The fourth proportional to 106,289,002.20, 159,433,503.30 and 97,219,075.80 is: 145,828,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,289,002.20 : 159,433,503.30 = 97,219,075.80 : x
  2. Step 2: Convert to fraction form
    106,289,002.20/159,433,503.30 = 97,219,075.80/x
  3. Step 3: Cross multiply
    106,289,002.20x = 159,433,503.30 × 97,219,075.80
  4. Step 4: Simplify right side
    106,289,002.20x = 15,499,977,842,382,250
  5. Step 5: Solve for x
    x = 15,499,977,842,382,250/106,289,002.20
  6. Step 6: Final answer
    x = 145,828,613.70

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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.