Home / 86,908,000.70-130,362,001.05-43,760,531.90

Finding the Fourth Proportional to 86,908,000.70, 130,362,001.05 and 43,760,531.90

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Solution

The fourth proportional to 86,908,000.70, 130,362,001.05 and 43,760,531.90 is: 65,640,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908,000.70 : 130,362,001.05 = 43,760,531.90 : x
  2. Step 2: Convert to fraction form
    86,908,000.70/130,362,001.05 = 43,760,531.90/x
  3. Step 3: Cross multiply
    86,908,000.70x = 130,362,001.05 × 43,760,531.90
  4. Step 4: Simplify right side
    86,908,000.70x = 5,704,710,505,496,358
  5. Step 5: Solve for x
    x = 5,704,710,505,496,358/86,908,000.70
  6. Step 6: Final answer
    x = 65,640,797.85

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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.