Home / 105,602,766.78-145,738,552.95-59,193,032.70

Finding the Fourth Proportional to 105,602,766.78, 145,738,552.95 and 59,193,032.70

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Solution

The fourth proportional to 105,602,766.78, 145,738,552.95 and 59,193,032.70 is: 81,690,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,602,766.78 : 145,738,552.95 = 59,193,032.70 : x
  2. Step 2: Convert to fraction form
    105,602,766.78/145,738,552.95 = 59,193,032.70/x
  3. Step 3: Cross multiply
    105,602,766.78x = 145,738,552.95 × 59,193,032.70
  4. Step 4: Simplify right side
    105,602,766.78x = 8,626,706,930,420,031
  5. Step 5: Solve for x
    x = 8,626,706,930,420,031/105,602,766.78
  6. Step 6: Final answer
    x = 81,690,160.15

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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.