Home / 104,904,009.40-157,497,731.70-66,640,257.40

Finding the Fourth Proportional to 104,904,009.40, 157,497,731.70 and 66,640,257.40

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Solution

The fourth proportional to 104,904,009.40, 157,497,731.70 and 66,640,257.40 is: 100,050,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904,009.40 : 157,497,731.70 = 66,640,257.40 : x
  2. Step 2: Convert to fraction form
    104,904,009.40/157,497,731.70 = 66,640,257.40/x
  3. Step 3: Cross multiply
    104,904,009.40x = 157,497,731.70 × 66,640,257.40
  4. Step 4: Simplify right side
    104,904,009.40x = 10,495,689,380,404,138
  5. Step 5: Solve for x
    x = 10,495,689,380,404,138/104,904,009.40
  6. Step 6: Final answer
    x = 100,050,412.19

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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.