Home / 75,285,695.80-112,926,210.90-21,433,007.80

Finding the Fourth Proportional to 75,285,695.80, 112,926,210.90 and 21,433,007.80

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Solution

The fourth proportional to 75,285,695.80, 112,926,210.90 and 21,433,007.80 is: 32,148,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,285,695.80 : 112,926,210.90 = 21,433,007.80 : x
  2. Step 2: Convert to fraction form
    75,285,695.80/112,926,210.90 = 21,433,007.80/x
  3. Step 3: Cross multiply
    75,285,695.80x = 112,926,210.90 × 21,433,007.80
  4. Step 4: Simplify right side
    75,285,695.80x = 2,420,348,359,044,145
  5. Step 5: Solve for x
    x = 2,420,348,359,044,145/75,285,695.80
  6. Step 6: Final answer
    x = 32,148,847.58

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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.