Home / 217,812,417.39-326,717,442.41-125,636,404.59

Finding the Fourth Proportional to 217,812,417.39, 326,717,442.41 and 125,636,404.59

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Solution

The fourth proportional to 217,812,417.39, 326,717,442.41 and 125,636,404.59 is: 188,453,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,812,417.39 : 326,717,442.41 = 125,636,404.59 : x
  2. Step 2: Convert to fraction form
    217,812,417.39/326,717,442.41 = 125,636,404.59/x
  3. Step 3: Cross multiply
    217,812,417.39x = 326,717,442.41 × 125,636,404.59
  4. Step 4: Simplify right side
    217,812,417.39x = 41,047,604,780,604,600
  5. Step 5: Solve for x
    x = 41,047,604,780,604,600/217,812,417.39
  6. Step 6: Final answer
    x = 188,453,924.13

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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.