Home / 60,721,900.67-83,789,021.66-34,258,711.74

Finding the Fourth Proportional to 60,721,900.67, 83,789,021.66 and 34,258,711.74

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Solution

The fourth proportional to 60,721,900.67, 83,789,021.66 and 34,258,711.74 is: 47,272,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721,900.67 : 83,789,021.66 = 34,258,711.74 : x
  2. Step 2: Convert to fraction form
    60,721,900.67/83,789,021.66 = 34,258,711.74/x
  3. Step 3: Cross multiply
    60,721,900.67x = 83,789,021.66 × 34,258,711.74
  4. Step 4: Simplify right side
    60,721,900.67x = 2,870,503,939,855,263
  5. Step 5: Solve for x
    x = 2,870,503,939,855,263/60,721,900.67
  6. Step 6: Final answer
    x = 47,272,959.32

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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.