Home / 281,983,943.61-389,140,977.47-156,544,622.01

Finding the Fourth Proportional to 281,983,943.61, 389,140,977.47 and 156,544,622.01

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Solution

The fourth proportional to 281,983,943.61, 389,140,977.47 and 156,544,622.01 is: 216,033,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,983,943.61 : 389,140,977.47 = 156,544,622.01 : x
  2. Step 2: Convert to fraction form
    281,983,943.61/389,140,977.47 = 156,544,622.01/x
  3. Step 3: Cross multiply
    281,983,943.61x = 389,140,977.47 × 156,544,622.01
  4. Step 4: Simplify right side
    281,983,943.61x = 60,917,927,225,860,344
  5. Step 5: Solve for x
    x = 60,917,927,225,860,344/281,983,943.61
  6. Step 6: Final answer
    x = 216,033,318.94

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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.