Home / 111,635,171.13-154,075,819.05-64,618,168.40

Finding the Fourth Proportional to 111,635,171.13, 154,075,819.05 and 64,618,168.40

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Solution

The fourth proportional to 111,635,171.13, 154,075,819.05 and 64,618,168.40 is: 89,184,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,635,171.13 : 154,075,819.05 = 64,618,168.40 : x
  2. Step 2: Convert to fraction form
    111,635,171.13/154,075,819.05 = 64,618,168.40/x
  3. Step 3: Cross multiply
    111,635,171.13x = 154,075,819.05 × 64,618,168.40
  4. Step 4: Simplify right side
    111,635,171.13x = 9,956,097,221,924,072
  5. Step 5: Solve for x
    x = 9,956,097,221,924,072/111,635,171.13
  6. Step 6: Final answer
    x = 89,184,233.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.