Home / 84,248,141.70-126,372,212.55-70,643,252.10

Finding the Fourth Proportional to 84,248,141.70, 126,372,212.55 and 70,643,252.10

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Solution

The fourth proportional to 84,248,141.70, 126,372,212.55 and 70,643,252.10 is: 105,964,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248,141.70 : 126,372,212.55 = 70,643,252.10 : x
  2. Step 2: Convert to fraction form
    84,248,141.70/126,372,212.55 = 70,643,252.10/x
  3. Step 3: Cross multiply
    84,248,141.70x = 126,372,212.55 × 70,643,252.10
  4. Step 4: Simplify right side
    84,248,141.70x = 8,927,344,069,604,433
  5. Step 5: Solve for x
    x = 8,927,344,069,604,433/84,248,141.70
  6. Step 6: Final answer
    x = 105,964,878.15

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Similar ratio
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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.