Home / 177,178,141.80-265,767,212.70-81,626,653.80

Finding the Fourth Proportional to 177,178,141.80, 265,767,212.70 and 81,626,653.80

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Solution

The fourth proportional to 177,178,141.80, 265,767,212.70 and 81,626,653.80 is: 122,439,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,178,141.80 : 265,767,212.70 = 81,626,653.80 : x
  2. Step 2: Convert to fraction form
    177,178,141.80/265,767,212.70 = 81,626,653.80/x
  3. Step 3: Cross multiply
    177,178,141.80x = 265,767,212.70 × 81,626,653.80
  4. Step 4: Simplify right side
    177,178,141.80x = 21,693,688,262,453,860
  5. Step 5: Solve for x
    x = 21,693,688,262,453,860/177,178,141.80
  6. Step 6: Final answer
    x = 122,439,980.70

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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.