Home / 79,056,117.40-118,584,176.10-76,032,808.60

Finding the Fourth Proportional to 79,056,117.40, 118,584,176.10 and 76,032,808.60

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Solution

The fourth proportional to 79,056,117.40, 118,584,176.10 and 76,032,808.60 is: 114,049,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056,117.40 : 118,584,176.10 = 76,032,808.60 : x
  2. Step 2: Convert to fraction form
    79,056,117.40/118,584,176.10 = 76,032,808.60/x
  3. Step 3: Cross multiply
    79,056,117.40x = 118,584,176.10 × 76,032,808.60
  4. Step 4: Simplify right side
    79,056,117.40x = 9,016,287,964,399,994
  5. Step 5: Solve for x
    x = 9,016,287,964,399,994/79,056,117.40
  6. Step 6: Final answer
    x = 114,049,212.90

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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.