Home / 123,671,887.20-185,578,689.60-47,049,904.80

Finding the Fourth Proportional to 123,671,887.20, 185,578,689.60 and 47,049,904.80

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Solution

The fourth proportional to 123,671,887.20, 185,578,689.60 and 47,049,904.80 is: 70,601,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,671,887.20 : 185,578,689.60 = 47,049,904.80 : x
  2. Step 2: Convert to fraction form
    123,671,887.20/185,578,689.60 = 47,049,904.80/x
  3. Step 3: Cross multiply
    123,671,887.20x = 185,578,689.60 × 47,049,904.80
  4. Step 4: Simplify right side
    123,671,887.20x = 8,731,459,678,588,749
  5. Step 5: Solve for x
    x = 8,731,459,678,588,749/123,671,887.20
  6. Step 6: Final answer
    x = 70,601,814.82

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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.