Home / 195,486,643.90-293,395,303.05-80,553,670.30

Finding the Fourth Proportional to 195,486,643.90, 293,395,303.05 and 80,553,670.30

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Solution

The fourth proportional to 195,486,643.90, 293,395,303.05 and 80,553,670.30 is: 120,898,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,486,643.90 : 293,395,303.05 = 80,553,670.30 : x
  2. Step 2: Convert to fraction form
    195,486,643.90/293,395,303.05 = 80,553,670.30/x
  3. Step 3: Cross multiply
    195,486,643.90x = 293,395,303.05 × 80,553,670.30
  4. Step 4: Simplify right side
    195,486,643.90x = 23,634,068,509,458,284
  5. Step 5: Solve for x
    x = 23,634,068,509,458,284/195,486,643.90
  6. Step 6: Final answer
    x = 120,898,635.52

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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.