Home / 72,776,579.60-109,164,869.40-29,623,570.40

Finding the Fourth Proportional to 72,776,579.60, 109,164,869.40 and 29,623,570.40

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Solution

The fourth proportional to 72,776,579.60, 109,164,869.40 and 29,623,570.40 is: 44,435,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,776,579.60 : 109,164,869.40 = 29,623,570.40 : x
  2. Step 2: Convert to fraction form
    72,776,579.60/109,164,869.40 = 29,623,570.40/x
  3. Step 3: Cross multiply
    72,776,579.60x = 109,164,869.40 × 29,623,570.40
  4. Step 4: Simplify right side
    72,776,579.60x = 3,233,853,193,877,706
  5. Step 5: Solve for x
    x = 3,233,853,193,877,706/72,776,579.60
  6. Step 6: Final answer
    x = 44,435,355.60

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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.