Home / 118,637,083.80-177,955,625.70-105,872,002.20

Finding the Fourth Proportional to 118,637,083.80, 177,955,625.70 and 105,872,002.20

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Solution

The fourth proportional to 118,637,083.80, 177,955,625.70 and 105,872,002.20 is: 158,808,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637,083.80 : 177,955,625.70 = 105,872,002.20 : x
  2. Step 2: Convert to fraction form
    118,637,083.80/177,955,625.70 = 105,872,002.20/x
  3. Step 3: Cross multiply
    118,637,083.80x = 177,955,625.70 × 105,872,002.20
  4. Step 4: Simplify right side
    118,637,083.80x = 18,840,518,395,612,776
  5. Step 5: Solve for x
    x = 18,840,518,395,612,776/118,637,083.80
  6. Step 6: Final answer
    x = 158,808,003.30

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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.