Home / 220,277,643.48-330,454,108.96-90,814,482.45

Finding the Fourth Proportional to 220,277,643.48, 330,454,108.96 and 90,814,482.45

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Solution

The fourth proportional to 220,277,643.48, 330,454,108.96 and 90,814,482.45 is: 136,237,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,277,643.48 : 330,454,108.96 = 90,814,482.45 : x
  2. Step 2: Convert to fraction form
    220,277,643.48/330,454,108.96 = 90,814,482.45/x
  3. Step 3: Cross multiply
    220,277,643.48x = 330,454,108.96 × 90,814,482.45
  4. Step 4: Simplify right side
    220,277,643.48x = 30,010,018,878,451,272
  5. Step 5: Solve for x
    x = 30,010,018,878,451,272/220,277,643.48
  6. Step 6: Final answer
    x = 136,237,243.16

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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.