Home / 131,075,346.60-196,668,132.30-70,420,213.80

Finding the Fourth Proportional to 131,075,346.60, 196,668,132.30 and 70,420,213.80

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Solution

The fourth proportional to 131,075,346.60, 196,668,132.30 and 70,420,213.80 is: 105,659,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075,346.60 : 196,668,132.30 = 70,420,213.80 : x
  2. Step 2: Convert to fraction form
    131,075,346.60/196,668,132.30 = 70,420,213.80/x
  3. Step 3: Cross multiply
    131,075,346.60x = 196,668,132.30 × 70,420,213.80
  4. Step 4: Simplify right side
    131,075,346.60x = 13,849,411,924,212,686
  5. Step 5: Solve for x
    x = 13,849,411,924,212,686/131,075,346.60
  6. Step 6: Final answer
    x = 105,659,929.83

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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.