Home / 199,316,049.60-299,016,064.80-84,241,358.40

Finding the Fourth Proportional to 199,316,049.60, 299,016,064.80 and 84,241,358.40

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Solution

The fourth proportional to 199,316,049.60, 299,016,064.80 and 84,241,358.40 is: 126,379,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,316,049.60 : 299,016,064.80 = 84,241,358.40 : x
  2. Step 2: Convert to fraction form
    199,316,049.60/299,016,064.80 = 84,241,358.40/x
  3. Step 3: Cross multiply
    199,316,049.60x = 299,016,064.80 × 84,241,358.40
  4. Step 4: Simplify right side
    199,316,049.60x = 25,189,519,482,174,428
  5. Step 5: Solve for x
    x = 25,189,519,482,174,428/199,316,049.60
  6. Step 6: Final answer
    x = 126,379,784.93

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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.