Home / 255,949,417.20-383,924,125.80-164,116,412.40

Finding the Fourth Proportional to 255,949,417.20, 383,924,125.80 and 164,116,412.40

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Solution

The fourth proportional to 255,949,417.20, 383,924,125.80 and 164,116,412.40 is: 246,174,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,949,417.20 : 383,924,125.80 = 164,116,412.40 : x
  2. Step 2: Convert to fraction form
    255,949,417.20/383,924,125.80 = 164,116,412.40/x
  3. Step 3: Cross multiply
    255,949,417.20x = 383,924,125.80 × 164,116,412.40
  4. Step 4: Simplify right side
    255,949,417.20x = 63,008,250,160,102,288
  5. Step 5: Solve for x
    x = 63,008,250,160,102,288/255,949,417.20
  6. Step 6: Final answer
    x = 246,174,618.60

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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.