Home / 130,604,936.80-195,683,456.40-85,143,330.40

Finding the Fourth Proportional to 130,604,936.80, 195,683,456.40 and 85,143,330.40

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Solution

The fourth proportional to 130,604,936.80, 195,683,456.40 and 85,143,330.40 is: 127,569,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,604,936.80 : 195,683,456.40 = 85,143,330.40 : x
  2. Step 2: Convert to fraction form
    130,604,936.80/195,683,456.40 = 85,143,330.40/x
  3. Step 3: Cross multiply
    130,604,936.80x = 195,683,456.40 × 85,143,330.40
  4. Step 4: Simplify right side
    130,604,936.80x = 16,661,141,182,079,196
  5. Step 5: Solve for x
    x = 16,661,141,182,079,196/130,604,936.80
  6. Step 6: Final answer
    x = 127,569,000.00

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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.