Home / 311,000,701.23-429,178,416.65-169,872,011.58

Finding the Fourth Proportional to 311,000,701.23, 429,178,416.65 and 169,872,011.58

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Solution

The fourth proportional to 311,000,701.23, 429,178,416.65 and 169,872,011.58 is: 234,421,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,000,701.23 : 429,178,416.65 = 169,872,011.58 : x
  2. Step 2: Convert to fraction form
    311,000,701.23/429,178,416.65 = 169,872,011.58/x
  3. Step 3: Cross multiply
    311,000,701.23x = 429,178,416.65 × 169,872,011.58
  4. Step 4: Simplify right side
    311,000,701.23x = 72,905,400,962,205,504
  5. Step 5: Solve for x
    x = 72,905,400,962,205,504/311,000,701.23
  6. Step 6: Final answer
    x = 234,421,982.57

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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.