Home / 130,214,504.82-179,696,271.80-77,301,824.10

Finding the Fourth Proportional to 130,214,504.82, 179,696,271.80 and 77,301,824.10

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Solution

The fourth proportional to 130,214,504.82, 179,696,271.80 and 77,301,824.10 is: 106,676,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,214,504.82 : 179,696,271.80 = 77,301,824.10 : x
  2. Step 2: Convert to fraction form
    130,214,504.82/179,696,271.80 = 77,301,824.10/x
  3. Step 3: Cross multiply
    130,214,504.82x = 179,696,271.80 × 77,301,824.10
  4. Step 4: Simplify right side
    130,214,504.82x = 13,890,849,594,109,390
  5. Step 5: Solve for x
    x = 13,890,849,594,109,390/130,214,504.82
  6. Step 6: Final answer
    x = 106,676,668.73

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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.