Home / 74,641,525.20-111,962,287.80-73,684,931.40

Finding the Fourth Proportional to 74,641,525.20, 111,962,287.80 and 73,684,931.40

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Solution

The fourth proportional to 74,641,525.20, 111,962,287.80 and 73,684,931.40 is: 110,527,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,641,525.20 : 111,962,287.80 = 73,684,931.40 : x
  2. Step 2: Convert to fraction form
    74,641,525.20/111,962,287.80 = 73,684,931.40/x
  3. Step 3: Cross multiply
    74,641,525.20x = 111,962,287.80 × 73,684,931.40
  4. Step 4: Simplify right side
    74,641,525.20x = 8,249,933,495,930,057
  5. Step 5: Solve for x
    x = 8,249,933,495,930,057/74,641,525.20
  6. Step 6: Final answer
    x = 110,527,397.10

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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.