Home / 43,455,985.60-65,191,851.60-21,836,178.40

Finding the Fourth Proportional to 43,455,985.60, 65,191,851.60 and 21,836,178.40

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Solution

The fourth proportional to 43,455,985.60, 65,191,851.60 and 21,836,178.40 is: 32,758,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455,985.60 : 65,191,851.60 = 21,836,178.40 : x
  2. Step 2: Convert to fraction form
    43,455,985.60/65,191,851.60 = 21,836,178.40/x
  3. Step 3: Cross multiply
    43,455,985.60x = 65,191,851.60 × 21,836,178.40
  4. Step 4: Simplify right side
    43,455,985.60x = 1,423,540,901,763,925.50
  5. Step 5: Solve for x
    x = 1,423,540,901,763,925.50/43,455,985.60
  6. Step 6: Final answer
    x = 32,758,223.80

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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.