Home / 258,706,903.59-388,038,495.11-83,826,235.80

Finding the Fourth Proportional to 258,706,903.59, 388,038,495.11 and 83,826,235.80

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Solution

The fourth proportional to 258,706,903.59, 388,038,495.11 and 83,826,235.80 is: 125,732,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,706,903.59 : 388,038,495.11 = 83,826,235.80 : x
  2. Step 2: Convert to fraction form
    258,706,903.59/388,038,495.11 = 83,826,235.80/x
  3. Step 3: Cross multiply
    258,706,903.59x = 388,038,495.11 × 83,826,235.80
  4. Step 4: Simplify right side
    258,706,903.59x = 32,527,806,390,148,876
  5. Step 5: Solve for x
    x = 32,527,806,390,148,876/258,706,903.59
  6. Step 6: Final answer
    x = 125,732,270.53

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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.