Home / 118,027,091.80-177,152,612.10-72,677,459.80

Finding the Fourth Proportional to 118,027,091.80, 177,152,612.10 and 72,677,459.80

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Solution

The fourth proportional to 118,027,091.80, 177,152,612.10 and 72,677,459.80 is: 109,085,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,027,091.80 : 177,152,612.10 = 72,677,459.80 : x
  2. Step 2: Convert to fraction form
    118,027,091.80/177,152,612.10 = 72,677,459.80/x
  3. Step 3: Cross multiply
    118,027,091.80x = 177,152,612.10 × 72,677,459.80
  4. Step 4: Simplify right side
    118,027,091.80x = 12,875,001,844,362,742
  5. Step 5: Solve for x
    x = 12,875,001,844,362,742/118,027,091.80
  6. Step 6: Final answer
    x = 109,085,140.10

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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.