Home / 287,265,152.47-430,958,253.98-93,161,432.56

Finding the Fourth Proportional to 287,265,152.47, 430,958,253.98 and 93,161,432.56

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Solution

The fourth proportional to 287,265,152.47, 430,958,253.98 and 93,161,432.56 is: 139,761,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,265,152.47 : 430,958,253.98 = 93,161,432.56 : x
  2. Step 2: Convert to fraction form
    287,265,152.47/430,958,253.98 = 93,161,432.56/x
  3. Step 3: Cross multiply
    287,265,152.47x = 430,958,253.98 × 93,161,432.56
  4. Step 4: Simplify right side
    287,265,152.47x = 40,148,688,313,867,320
  5. Step 5: Solve for x
    x = 40,148,688,313,867,320/287,265,152.47
  6. Step 6: Final answer
    x = 139,761,777.47

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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.