Home / 153,281,811.80-211,497,323.48-88,079,118.68

Finding the Fourth Proportional to 153,281,811.80, 211,497,323.48 and 88,079,118.68

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Solution

The fourth proportional to 153,281,811.80, 211,497,323.48 and 88,079,118.68 is: 121,531,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281,811.80 : 211,497,323.48 = 88,079,118.68 : x
  2. Step 2: Convert to fraction form
    153,281,811.80/211,497,323.48 = 88,079,118.68/x
  3. Step 3: Cross multiply
    153,281,811.80x = 211,497,323.48 × 88,079,118.68
  4. Step 4: Simplify right side
    153,281,811.80x = 18,628,497,855,297,272
  5. Step 5: Solve for x
    x = 18,628,497,855,297,272/153,281,811.80
  6. Step 6: Final answer
    x = 121,531,039.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.