Home / 108,936,009.70-163,404,014.55-83,426,841.70

Finding the Fourth Proportional to 108,936,009.70, 163,404,014.55 and 83,426,841.70

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Solution

The fourth proportional to 108,936,009.70, 163,404,014.55 and 83,426,841.70 is: 125,140,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,936,009.70 : 163,404,014.55 = 83,426,841.70 : x
  2. Step 2: Convert to fraction form
    108,936,009.70/163,404,014.55 = 83,426,841.70/x
  3. Step 3: Cross multiply
    108,936,009.70x = 163,404,014.55 × 83,426,841.70
  4. Step 4: Simplify right side
    108,936,009.70x = 13,632,280,855,007,348
  5. Step 5: Solve for x
    x = 13,632,280,855,007,348/108,936,009.70
  6. Step 6: Final answer
    x = 125,140,262.55

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1.5x scale

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.