Home / 61,861,103.30-92,768,035.35-18,715,967.30

Finding the Fourth Proportional to 61,861,103.30, 92,768,035.35 and 18,715,967.30

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Solution

The fourth proportional to 61,861,103.30, 92,768,035.35 and 18,715,967.30 is: 28,066,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861,103.30 : 92,768,035.35 = 18,715,967.30 : x
  2. Step 2: Convert to fraction form
    61,861,103.30/92,768,035.35 = 18,715,967.30/x
  3. Step 3: Cross multiply
    61,861,103.30x = 92,768,035.35 × 18,715,967.30
  4. Step 4: Simplify right side
    61,861,103.30x = 1,736,243,516,095,844
  5. Step 5: Solve for x
    x = 1,736,243,516,095,844/61,861,103.30
  6. Step 6: Final answer
    x = 28,066,804.88

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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.