Home / 199,688,052.60-299,561,109.30-84,672,372.60

Finding the Fourth Proportional to 199,688,052.60, 299,561,109.30 and 84,672,372.60

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Solution

The fourth proportional to 199,688,052.60, 299,561,109.30 and 84,672,372.60 is: 127,020,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,688,052.60 : 299,561,109.30 = 84,672,372.60 : x
  2. Step 2: Convert to fraction form
    199,688,052.60/299,561,109.30 = 84,672,372.60/x
  3. Step 3: Cross multiply
    199,688,052.60x = 299,561,109.30 × 84,672,372.60
  4. Step 4: Simplify right side
    199,688,052.60x = 25,364,549,863,118,924
  5. Step 5: Solve for x
    x = 25,364,549,863,118,924/199,688,052.60
  6. Step 6: Final answer
    x = 127,020,868.46

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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.