Home / 238,656,568.77-358,038,714.30-72,674,921.82

Finding the Fourth Proportional to 238,656,568.77, 358,038,714.30 and 72,674,921.82

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Solution

The fourth proportional to 238,656,568.77, 358,038,714.30 and 72,674,921.82 is: 109,028,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,656,568.77 : 358,038,714.30 = 72,674,921.82 : x
  2. Step 2: Convert to fraction form
    238,656,568.77/358,038,714.30 = 72,674,921.82/x
  3. Step 3: Cross multiply
    238,656,568.77x = 358,038,714.30 × 72,674,921.82
  4. Step 4: Simplify right side
    238,656,568.77x = 26,020,435,570,285,816
  5. Step 5: Solve for x
    x = 26,020,435,570,285,816/238,656,568.77
  6. Step 6: Final answer
    x = 109,028,784.35

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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.