Home / 281,581,966.31-388,583,950.50-156,142,999.22

Finding the Fourth Proportional to 281,581,966.31, 388,583,950.50 and 156,142,999.22

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Solution

The fourth proportional to 281,581,966.31, 388,583,950.50 and 156,142,999.22 is: 215,477,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,581,966.31 : 388,583,950.50 = 156,142,999.22 : x
  2. Step 2: Convert to fraction form
    281,581,966.31/388,583,950.50 = 156,142,999.22/x
  3. Step 3: Cross multiply
    281,581,966.31x = 388,583,950.50 × 156,142,999.22
  4. Step 4: Simplify right side
    281,581,966.31x = 60,674,663,477,883,104
  5. Step 5: Solve for x
    x = 60,674,663,477,883,104/281,581,966.31
  6. Step 6: Final answer
    x = 215,477,803.05

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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.