Home / 131,868,509.02-197,820,953.09-76,562,390.24

Finding the Fourth Proportional to 131,868,509.02, 197,820,953.09 and 76,562,390.24

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Solution

The fourth proportional to 131,868,509.02, 197,820,953.09 and 76,562,390.24 is: 114,854,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,509.02 : 197,820,953.09 = 76,562,390.24 : x
  2. Step 2: Convert to fraction form
    131,868,509.02/197,820,953.09 = 76,562,390.24/x
  3. Step 3: Cross multiply
    131,868,509.02x = 197,820,953.09 × 76,562,390.24
  4. Step 4: Simplify right side
    131,868,509.02x = 15,145,645,008,125,314
  5. Step 5: Solve for x
    x = 15,145,645,008,125,314/131,868,509.02
  6. Step 6: Final answer
    x = 114,854,146.15

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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.