Home / 127,804,330.80-191,594,521.80-76,706,679.60

Finding the Fourth Proportional to 127,804,330.80, 191,594,521.80 and 76,706,679.60

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Solution

The fourth proportional to 127,804,330.80, 191,594,521.80 and 76,706,679.60 is: 114,992,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,804,330.80 : 191,594,521.80 = 76,706,679.60 : x
  2. Step 2: Convert to fraction form
    127,804,330.80/191,594,521.80 = 76,706,679.60/x
  3. Step 3: Cross multiply
    127,804,330.80x = 191,594,521.80 × 76,706,679.60
  4. Step 4: Simplify right side
    127,804,330.80x = 14,696,579,596,827,816
  5. Step 5: Solve for x
    x = 14,696,579,596,827,816/127,804,330.80
  6. Step 6: Final answer
    x = 114,992,813.66

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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.