Home / 70,125,371.40-96,771,154.50-39,185,794.92

Finding the Fourth Proportional to 70,125,371.40, 96,771,154.50 and 39,185,794.92

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Solution

The fourth proportional to 70,125,371.40, 96,771,154.50 and 39,185,794.92 is: 54,075,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125,371.40 : 96,771,154.50 = 39,185,794.92 : x
  2. Step 2: Convert to fraction form
    70,125,371.40/96,771,154.50 = 39,185,794.92/x
  3. Step 3: Cross multiply
    70,125,371.40x = 96,771,154.50 × 39,185,794.92
  4. Step 4: Simplify right side
    70,125,371.40x = 3,792,054,614,408,635.50
  5. Step 5: Solve for x
    x = 3,792,054,614,408,635.50/70,125,371.40
  6. Step 6: Final answer
    x = 54,075,358.73

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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.