Home / 235,901,867.60-353,852,801.40-212,943,616.40

Finding the Fourth Proportional to 235,901,867.60, 353,852,801.40 and 212,943,616.40

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Solution

The fourth proportional to 235,901,867.60, 353,852,801.40 and 212,943,616.40 is: 319,415,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,901,867.60 : 353,852,801.40 = 212,943,616.40 : x
  2. Step 2: Convert to fraction form
    235,901,867.60/353,852,801.40 = 212,943,616.40/x
  3. Step 3: Cross multiply
    235,901,867.60x = 353,852,801.40 × 212,943,616.40
  4. Step 4: Simplify right side
    235,901,867.60x = 75,350,695,203,386,976
  5. Step 5: Solve for x
    x = 75,350,695,203,386,976/235,901,867.60
  6. Step 6: Final answer
    x = 319,415,424.60

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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.