Home / 210,907,260.10-316,376,044.58-72,730,879.43

Finding the Fourth Proportional to 210,907,260.10, 316,376,044.58 and 72,730,879.43

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Solution

The fourth proportional to 210,907,260.10, 316,376,044.58 and 72,730,879.43 is: 109,101,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,907,260.10 : 316,376,044.58 = 72,730,879.43 : x
  2. Step 2: Convert to fraction form
    210,907,260.10/316,376,044.58 = 72,730,879.43/x
  3. Step 3: Cross multiply
    210,907,260.10x = 316,376,044.58 × 72,730,879.43
  4. Step 4: Simplify right side
    210,907,260.10x = 23,010,307,952,888,288
  5. Step 5: Solve for x
    x = 23,010,307,952,888,288/210,907,260.10
  6. Step 6: Final answer
    x = 109,101,545.12

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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.