Home / 378,077,065.60-567,115,598.40-90,862,729.60

Finding the Fourth Proportional to 378,077,065.60, 567,115,598.40 and 90,862,729.60

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Solution

The fourth proportional to 378,077,065.60, 567,115,598.40 and 90,862,729.60 is: 136,294,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,077,065.60 : 567,115,598.40 = 90,862,729.60 : x
  2. Step 2: Convert to fraction form
    378,077,065.60/567,115,598.40 = 90,862,729.60/x
  3. Step 3: Cross multiply
    378,077,065.60x = 567,115,598.40 × 90,862,729.60
  4. Step 4: Simplify right side
    378,077,065.60x = 51,529,671,269,361,384
  5. Step 5: Solve for x
    x = 51,529,671,269,361,384/378,077,065.60
  6. Step 6: Final answer
    x = 136,294,094.40

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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.