Home / 153,990,521.20-231,014,914.32-61,881,429.52

Finding the Fourth Proportional to 153,990,521.20, 231,014,914.32 and 61,881,429.52

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Solution

The fourth proportional to 153,990,521.20, 231,014,914.32 and 61,881,429.52 is: 92,833,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,990,521.20 : 231,014,914.32 = 61,881,429.52 : x
  2. Step 2: Convert to fraction form
    153,990,521.20/231,014,914.32 = 61,881,429.52/x
  3. Step 3: Cross multiply
    153,990,521.20x = 231,014,914.32 × 61,881,429.52
  4. Step 4: Simplify right side
    153,990,521.20x = 14,295,533,138,561,920
  5. Step 5: Solve for x
    x = 14,295,533,138,561,920/153,990,521.20
  6. Step 6: Final answer
    x = 92,833,851.25

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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.