Home / 153,281,881.44-211,497,419.52-88,079,188.32

Finding the Fourth Proportional to 153,281,881.44, 211,497,419.52 and 88,079,188.32

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Solution

The fourth proportional to 153,281,881.44, 211,497,419.52 and 88,079,188.32 is: 121,531,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281,881.44 : 211,497,419.52 = 88,079,188.32 : x
  2. Step 2: Convert to fraction form
    153,281,881.44/211,497,419.52 = 88,079,188.32/x
  3. Step 3: Cross multiply
    153,281,881.44x = 211,497,419.52 × 88,079,188.32
  4. Step 4: Simplify right side
    153,281,881.44x = 18,628,521,043,096,124
  5. Step 5: Solve for x
    x = 18,628,521,043,096,124/153,281,881.44
  6. Step 6: Final answer
    x = 121,531,135.11

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Why These Related Problems?

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