Home / 84,628,944.70-126,943,417.05-79,527,111.10

Finding the Fourth Proportional to 84,628,944.70, 126,943,417.05 and 79,527,111.10

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Solution

The fourth proportional to 84,628,944.70, 126,943,417.05 and 79,527,111.10 is: 119,290,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,628,944.70 : 126,943,417.05 = 79,527,111.10 : x
  2. Step 2: Convert to fraction form
    84,628,944.70/126,943,417.05 = 79,527,111.10/x
  3. Step 3: Cross multiply
    84,628,944.70x = 126,943,417.05 × 79,527,111.10
  4. Step 4: Simplify right side
    84,628,944.70x = 10,095,443,231,148,984
  5. Step 5: Solve for x
    x = 10,095,443,231,148,984/84,628,944.70
  6. Step 6: Final answer
    x = 119,290,666.65

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Double scale
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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.