Home / 239,878,398.64-359,817,649.80-86,524,442.32

Finding the Fourth Proportional to 239,878,398.64, 359,817,649.80 and 86,524,442.32

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Solution

The fourth proportional to 239,878,398.64, 359,817,649.80 and 86,524,442.32 is: 129,786,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,878,398.64 : 359,817,649.80 = 86,524,442.32 : x
  2. Step 2: Convert to fraction form
    239,878,398.64/359,817,649.80 = 86,524,442.32/x
  3. Step 3: Cross multiply
    239,878,398.64x = 359,817,649.80 × 86,524,442.32
  4. Step 4: Simplify right side
    239,878,398.64x = 31,133,021,485,838,056
  5. Step 5: Solve for x
    x = 31,133,021,485,838,056/239,878,398.64
  6. Step 6: Final answer
    x = 129,786,682.18

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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.