Home / 211,575,437.13-317,218,271.81-107,743,653.66

Finding the Fourth Proportional to 211,575,437.13, 317,218,271.81 and 107,743,653.66

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Solution

The fourth proportional to 211,575,437.13, 317,218,271.81 and 107,743,653.66 is: 161,541,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,575,437.13 : 317,218,271.81 = 107,743,653.66 : x
  2. Step 2: Convert to fraction form
    211,575,437.13/317,218,271.81 = 107,743,653.66/x
  3. Step 3: Cross multiply
    211,575,437.13x = 317,218,271.81 × 107,743,653.66
  4. Step 4: Simplify right side
    211,575,437.13x = 34,178,255,611,981,664
  5. Step 5: Solve for x
    x = 34,178,255,611,981,664/211,575,437.13
  6. Step 6: Final answer
    x = 161,541,699.15

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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.