Home / 118,316,961.61-163,192,727.49-83,042,637.83

Finding the Fourth Proportional to 118,316,961.61, 163,192,727.49 and 83,042,637.83

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Solution

The fourth proportional to 118,316,961.61, 163,192,727.49 and 83,042,637.83 is: 114,539,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,316,961.61 : 163,192,727.49 = 83,042,637.83 : x
  2. Step 2: Convert to fraction form
    118,316,961.61/163,192,727.49 = 83,042,637.83/x
  3. Step 3: Cross multiply
    118,316,961.61x = 163,192,727.49 × 83,042,637.83
  4. Step 4: Simplify right side
    118,316,961.61x = 13,551,954,565,441,956
  5. Step 5: Solve for x
    x = 13,551,954,565,441,956/118,316,961.61
  6. Step 6: Final answer
    x = 114,539,406.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.