Home / 72,697,225.70-109,045,838.55-69,827,444.30

Finding the Fourth Proportional to 72,697,225.70, 109,045,838.55 and 69,827,444.30

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Solution

The fourth proportional to 72,697,225.70, 109,045,838.55 and 69,827,444.30 is: 104,741,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,697,225.70 : 109,045,838.55 = 69,827,444.30 : x
  2. Step 2: Convert to fraction form
    72,697,225.70/109,045,838.55 = 69,827,444.30/x
  3. Step 3: Cross multiply
    72,697,225.70x = 109,045,838.55 × 69,827,444.30
  4. Step 4: Simplify right side
    72,697,225.70x = 7,614,392,217,496,917
  5. Step 5: Solve for x
    x = 7,614,392,217,496,917/72,697,225.70
  6. Step 6: Final answer
    x = 104,741,166.45

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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.