Home / 95,681,548.80-143,522,323.20-90,642,700.80

Finding the Fourth Proportional to 95,681,548.80, 143,522,323.20 and 90,642,700.80

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Solution

The fourth proportional to 95,681,548.80, 143,522,323.20 and 90,642,700.80 is: 135,964,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,681,548.80 : 143,522,323.20 = 90,642,700.80 : x
  2. Step 2: Convert to fraction form
    95,681,548.80/143,522,323.20 = 90,642,700.80/x
  3. Step 3: Cross multiply
    95,681,548.80x = 143,522,323.20 × 90,642,700.80
  4. Step 4: Simplify right side
    95,681,548.80x = 13,009,250,999,938,498
  5. Step 5: Solve for x
    x = 13,009,250,999,938,498/95,681,548.80
  6. Step 6: Final answer
    x = 135,964,051.20

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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.