Home / 131,597,157.74-181,616,263.83-72,859,823.91

Finding the Fourth Proportional to 131,597,157.74, 181,616,263.83 and 72,859,823.91

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Solution

The fourth proportional to 131,597,157.74, 181,616,263.83 and 72,859,823.91 is: 100,553,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,597,157.74 : 181,616,263.83 = 72,859,823.91 : x
  2. Step 2: Convert to fraction form
    131,597,157.74/181,616,263.83 = 72,859,823.91/x
  3. Step 3: Cross multiply
    131,597,157.74x = 181,616,263.83 × 72,859,823.91
  4. Step 4: Simplify right side
    131,597,157.74x = 13,232,529,001,845,902
  5. Step 5: Solve for x
    x = 13,232,529,001,845,902/131,597,157.74
  6. Step 6: Final answer
    x = 100,553,303.96

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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.