Home / 70,942,030.08-97,891,682.40-40,000,355.52

Finding the Fourth Proportional to 70,942,030.08, 97,891,682.40 and 40,000,355.52

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Solution

The fourth proportional to 70,942,030.08, 97,891,682.40 and 40,000,355.52 is: 55,195,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,030.08 : 97,891,682.40 = 40,000,355.52 : x
  2. Step 2: Convert to fraction form
    70,942,030.08/97,891,682.40 = 40,000,355.52/x
  3. Step 3: Cross multiply
    70,942,030.08x = 97,891,682.40 × 40,000,355.52
  4. Step 4: Simplify right side
    70,942,030.08x = 3,915,702,098,450,927.50
  5. Step 5: Solve for x
    x = 3,915,702,098,450,927.50/70,942,030.08
  6. Step 6: Final answer
    x = 55,195,799.92

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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.