Home / 43,471,977.60-65,207,966.40-28,166,476.80

Finding the Fourth Proportional to 43,471,977.60, 65,207,966.40 and 28,166,476.80

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Solution

The fourth proportional to 43,471,977.60, 65,207,966.40 and 28,166,476.80 is: 42,249,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471,977.60 : 65,207,966.40 = 28,166,476.80 : x
  2. Step 2: Convert to fraction form
    43,471,977.60/65,207,966.40 = 28,166,476.80/x
  3. Step 3: Cross multiply
    43,471,977.60x = 65,207,966.40 × 28,166,476.80
  4. Step 4: Simplify right side
    43,471,977.60x = 1,836,678,672,780,779.50
  5. Step 5: Solve for x
    x = 1,836,678,672,780,779.50/43,471,977.60
  6. Step 6: Final answer
    x = 42,249,715.20

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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.