Home / 302,854,007.20-454,281,010.80-194,014,890.40

Finding the Fourth Proportional to 302,854,007.20, 454,281,010.80 and 194,014,890.40

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Solution

The fourth proportional to 302,854,007.20, 454,281,010.80 and 194,014,890.40 is: 291,022,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,854,007.20 : 454,281,010.80 = 194,014,890.40 : x
  2. Step 2: Convert to fraction form
    302,854,007.20/454,281,010.80 = 194,014,890.40/x
  3. Step 3: Cross multiply
    302,854,007.20x = 454,281,010.80 × 194,014,890.40
  4. Step 4: Simplify right side
    302,854,007.20x = 88,137,280,521,163,216
  5. Step 5: Solve for x
    x = 88,137,280,521,163,216/302,854,007.20
  6. Step 6: Final answer
    x = 291,022,335.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.