Home / 281,983,944.61-389,140,978.85-156,544,623.01

Finding the Fourth Proportional to 281,983,944.61, 389,140,978.85 and 156,544,623.01

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Solution

The fourth proportional to 281,983,944.61, 389,140,978.85 and 156,544,623.01 is: 216,033,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,983,944.61 : 389,140,978.85 = 156,544,623.01 : x
  2. Step 2: Convert to fraction form
    281,983,944.61/389,140,978.85 = 156,544,623.01/x
  3. Step 3: Cross multiply
    281,983,944.61x = 389,140,978.85 × 156,544,623.01
  4. Step 4: Simplify right side
    281,983,944.61x = 60,917,927,831,815,632
  5. Step 5: Solve for x
    x = 60,917,927,831,815,632/281,983,944.61
  6. Step 6: Final answer
    x = 216,033,320.32

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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.