Home / 67,390,840.08-101,089,934.28-21,329,269.11

Finding the Fourth Proportional to 67,390,840.08, 101,089,934.28 and 21,329,269.11

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Solution

The fourth proportional to 67,390,840.08, 101,089,934.28 and 21,329,269.11 is: 31,995,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390,840.08 : 101,089,934.28 = 21,329,269.11 : x
  2. Step 2: Convert to fraction form
    67,390,840.08/101,089,934.28 = 21,329,269.11/x
  3. Step 3: Cross multiply
    67,390,840.08x = 101,089,934.28 × 21,329,269.11
  4. Step 4: Simplify right side
    67,390,840.08x = 2,156,174,412,570,334
  5. Step 5: Solve for x
    x = 2,156,174,412,570,334/67,390,840.08
  6. Step 6: Final answer
    x = 31,995,066.54

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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.