Home / 43,455,970.60-65,191,829.10-21,836,163.40

Finding the Fourth Proportional to 43,455,970.60, 65,191,829.10 and 21,836,163.40

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Solution

The fourth proportional to 43,455,970.60, 65,191,829.10 and 21,836,163.40 is: 32,758,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455,970.60 : 65,191,829.10 = 21,836,163.40 : x
  2. Step 2: Convert to fraction form
    43,455,970.60/65,191,829.10 = 21,836,163.40/x
  3. Step 3: Cross multiply
    43,455,970.60x = 65,191,829.10 × 21,836,163.40
  4. Step 4: Simplify right side
    43,455,970.60x = 1,423,539,432,572,475
  5. Step 5: Solve for x
    x = 1,423,539,432,572,475/43,455,970.60
  6. Step 6: Final answer
    x = 32,758,201.30

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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.