Home / 100,054,534.14-138,073,902.25-56,001,519.76

Finding the Fourth Proportional to 100,054,534.14, 138,073,902.25 and 56,001,519.76

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Solution

The fourth proportional to 100,054,534.14, 138,073,902.25 and 56,001,519.76 is: 77,281,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,054,534.14 : 138,073,902.25 = 56,001,519.76 : x
  2. Step 2: Convert to fraction form
    100,054,534.14/138,073,902.25 = 56,001,519.76/x
  3. Step 3: Cross multiply
    100,054,534.14x = 138,073,902.25 × 56,001,519.76
  4. Step 4: Simplify right side
    100,054,534.14x = 7,732,348,365,193,683
  5. Step 5: Solve for x
    x = 7,732,348,365,193,683/100,054,534.14
  6. Step 6: Final answer
    x = 77,281,338.94

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1.5x scale

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.