Home / 107,896,906.29-148,911,367.91-70,758,431.40

Finding the Fourth Proportional to 107,896,906.29, 148,911,367.91 and 70,758,431.40

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Solution

The fourth proportional to 107,896,906.29, 148,911,367.91 and 70,758,431.40 is: 97,655,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,906.29 : 148,911,367.91 = 70,758,431.40 : x
  2. Step 2: Convert to fraction form
    107,896,906.29/148,911,367.91 = 70,758,431.40/x
  3. Step 3: Cross multiply
    107,896,906.29x = 148,911,367.91 × 70,758,431.40
  4. Step 4: Simplify right side
    107,896,906.29x = 10,536,734,810,939,898
  5. Step 5: Solve for x
    x = 10,536,734,810,939,898/107,896,906.29
  6. Step 6: Final answer
    x = 97,655,578.58

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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.