Home / 213,205,573.17-319,808,359.76-76,890,956.67

Finding the Fourth Proportional to 213,205,573.17, 319,808,359.76 and 76,890,956.67

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Solution

The fourth proportional to 213,205,573.17, 319,808,359.76 and 76,890,956.67 is: 115,336,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,205,573.17 : 319,808,359.76 = 76,890,956.67 : x
  2. Step 2: Convert to fraction form
    213,205,573.17/319,808,359.76 = 76,890,956.67/x
  3. Step 3: Cross multiply
    213,205,573.17x = 319,808,359.76 × 76,890,956.67
  4. Step 4: Simplify right side
    213,205,573.17x = 24,590,370,732,625,476
  5. Step 5: Solve for x
    x = 24,590,370,732,625,476/213,205,573.17
  6. Step 6: Final answer
    x = 115,336,435.01

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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.