Home / 215,914,619.60-323,871,929.40-195,087,381.20

Finding the Fourth Proportional to 215,914,619.60, 323,871,929.40 and 195,087,381.20

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Solution

The fourth proportional to 215,914,619.60, 323,871,929.40 and 195,087,381.20 is: 292,631,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,914,619.60 : 323,871,929.40 = 195,087,381.20 : x
  2. Step 2: Convert to fraction form
    215,914,619.60/323,871,929.40 = 195,087,381.20/x
  3. Step 3: Cross multiply
    215,914,619.60x = 323,871,929.40 × 195,087,381.20
  4. Step 4: Simplify right side
    215,914,619.60x = 63,183,326,550,837,280
  5. Step 5: Solve for x
    x = 63,183,326,550,837,280/215,914,619.60
  6. Step 6: Final answer
    x = 292,631,071.80

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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.