Home / 289,038,745-433,473,086.94-84,518,203.24

Finding the Fourth Proportional to 289,038,745, 433,473,086.94 and 84,518,203.24

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Solution

The fourth proportional to 289,038,745, 433,473,086.94 and 84,518,203.24 is: 126,752,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,038,745 : 433,473,086.94 = 84,518,203.24 : x
  2. Step 2: Convert to fraction form
    289,038,745/433,473,086.94 = 84,518,203.24/x
  3. Step 3: Cross multiply
    289,038,745x = 433,473,086.94 × 84,518,203.24
  4. Step 4: Simplify right side
    289,038,745x = 36,636,366,461,065,104
  5. Step 5: Solve for x
    x = 36,636,366,461,065,104/289,038,745
  6. Step 6: Final answer
    x = 126,752,440.96

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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.