Home / 111,267,561.86-153,558,427.61-61,723,909.02

Finding the Fourth Proportional to 111,267,561.86, 153,558,427.61 and 61,723,909.02

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Solution

The fourth proportional to 111,267,561.86, 153,558,427.61 and 61,723,909.02 is: 85,184,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267,561.86 : 153,558,427.61 = 61,723,909.02 : x
  2. Step 2: Convert to fraction form
    111,267,561.86/153,558,427.61 = 61,723,909.02/x
  3. Step 3: Cross multiply
    111,267,561.86x = 153,558,427.61 × 61,723,909.02
  4. Step 4: Simplify right side
    111,267,561.86x = 9,478,226,414,745,276
  5. Step 5: Solve for x
    x = 9,478,226,414,745,276/111,267,561.86
  6. Step 6: Final answer
    x = 85,184,093.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.