Home / 113,509,438.86-156,643,024.70-61,298,469.91

Finding the Fourth Proportional to 113,509,438.86, 156,643,024.70 and 61,298,469.91

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Solution

The fourth proportional to 113,509,438.86, 156,643,024.70 and 61,298,469.91 is: 84,591,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,438.86 : 156,643,024.70 = 61,298,469.91 : x
  2. Step 2: Convert to fraction form
    113,509,438.86/156,643,024.70 = 61,298,469.91/x
  3. Step 3: Cross multiply
    113,509,438.86x = 156,643,024.70 × 61,298,469.91
  4. Step 4: Simplify right side
    113,509,438.86x = 9,601,977,736,184,336
  5. Step 5: Solve for x
    x = 9,601,977,736,184,336/113,509,438.86
  6. Step 6: Final answer
    x = 84,591,887.98

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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.