Home / 177,533,639.50-245,003,988.80-99,217,190.69

Finding the Fourth Proportional to 177,533,639.50, 245,003,988.80 and 99,217,190.69

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Solution

The fourth proportional to 177,533,639.50, 245,003,988.80 and 99,217,190.69 is: 136,923,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,533,639.50 : 245,003,988.80 = 99,217,190.69 : x
  2. Step 2: Convert to fraction form
    177,533,639.50/245,003,988.80 = 99,217,190.69/x
  3. Step 3: Cross multiply
    177,533,639.50x = 245,003,988.80 × 99,217,190.69
  4. Step 4: Simplify right side
    177,533,639.50x = 24,308,607,476,522,012
  5. Step 5: Solve for x
    x = 24,308,607,476,522,012/177,533,639.50
  6. Step 6: Final answer
    x = 136,923,951.68

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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.