Home / 86,292,660.60-119,083,084.74-47,134,431

Finding the Fourth Proportional to 86,292,660.60, 119,083,084.74 and 47,134,431

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Solution

The fourth proportional to 86,292,660.60, 119,083,084.74 and 47,134,431 is: 65,045,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,292,660.60 : 119,083,084.74 = 47,134,431 : x
  2. Step 2: Convert to fraction form
    86,292,660.60/119,083,084.74 = 47,134,431/x
  3. Step 3: Cross multiply
    86,292,660.60x = 119,083,084.74 × 47,134,431
  4. Step 4: Simplify right side
    86,292,660.60x = 5,612,913,440,944,683
  5. Step 5: Solve for x
    x = 5,612,913,440,944,683/86,292,660.60
  6. Step 6: Final answer
    x = 65,045,084.97

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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.