Home / 281,037,114.80-387,822,888.84-155,594,901.50

Finding the Fourth Proportional to 281,037,114.80, 387,822,888.84 and 155,594,901.50

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Solution

The fourth proportional to 281,037,114.80, 387,822,888.84 and 155,594,901.50 is: 214,716,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,037,114.80 : 387,822,888.84 = 155,594,901.50 : x
  2. Step 2: Convert to fraction form
    281,037,114.80/387,822,888.84 = 155,594,901.50/x
  3. Step 3: Cross multiply
    281,037,114.80x = 387,822,888.84 × 155,594,901.50
  4. Step 4: Simplify right side
    281,037,114.80x = 60,343,264,188,505,248
  5. Step 5: Solve for x
    x = 60,343,264,188,505,248/281,037,114.80
  6. Step 6: Final answer
    x = 214,716,352.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.