Home / 131,181,095.15-196,890,615.53-66,529,875.95

Finding the Fourth Proportional to 131,181,095.15, 196,890,615.53 and 66,529,875.95

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Solution

The fourth proportional to 131,181,095.15, 196,890,615.53 and 66,529,875.95 is: 99,855,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,181,095.15 : 196,890,615.53 = 66,529,875.95 : x
  2. Step 2: Convert to fraction form
    131,181,095.15/196,890,615.53 = 66,529,875.95/x
  3. Step 3: Cross multiply
    131,181,095.15x = 196,890,615.53 × 66,529,875.95
  4. Step 4: Simplify right side
    131,181,095.15x = 13,099,108,226,597,396
  5. Step 5: Solve for x
    x = 13,099,108,226,597,396/131,181,095.15
  6. Step 6: Final answer
    x = 99,855,152.24

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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.