Home / 235,901,881.60-353,852,822.40-212,943,630.40

Finding the Fourth Proportional to 235,901,881.60, 353,852,822.40 and 212,943,630.40

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Solution

The fourth proportional to 235,901,881.60, 353,852,822.40 and 212,943,630.40 is: 319,415,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,901,881.60 : 353,852,822.40 = 212,943,630.40 : x
  2. Step 2: Convert to fraction form
    235,901,881.60/353,852,822.40 = 212,943,630.40/x
  3. Step 3: Cross multiply
    235,901,881.60x = 353,852,822.40 × 212,943,630.40
  4. Step 4: Simplify right side
    235,901,881.60x = 75,350,704,629,142,432
  5. Step 5: Solve for x
    x = 75,350,704,629,142,432/235,901,881.60
  6. Step 6: Final answer
    x = 319,415,445.60

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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.