Home / 72,417,467.10-108,626,200.65-69,630,548.70

Finding the Fourth Proportional to 72,417,467.10, 108,626,200.65 and 69,630,548.70

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Solution

The fourth proportional to 72,417,467.10, 108,626,200.65 and 69,630,548.70 is: 104,445,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,417,467.10 : 108,626,200.65 = 69,630,548.70 : x
  2. Step 2: Convert to fraction form
    72,417,467.10/108,626,200.65 = 69,630,548.70/x
  3. Step 3: Cross multiply
    72,417,467.10x = 108,626,200.65 × 69,630,548.70
  4. Step 4: Simplify right side
    72,417,467.10x = 7,563,701,954,455,797
  5. Step 5: Solve for x
    x = 7,563,701,954,455,797/72,417,467.10
  6. Step 6: Final answer
    x = 104,445,823.05

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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.