Home / 185,145,384.90-277,718,077.35-155,136,245.70

Finding the Fourth Proportional to 185,145,384.90, 277,718,077.35 and 155,136,245.70

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Solution

The fourth proportional to 185,145,384.90, 277,718,077.35 and 155,136,245.70 is: 232,704,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,145,384.90 : 277,718,077.35 = 155,136,245.70 : x
  2. Step 2: Convert to fraction form
    185,145,384.90/277,718,077.35 = 155,136,245.70/x
  3. Step 3: Cross multiply
    185,145,384.90x = 277,718,077.35 × 155,136,245.70
  4. Step 4: Simplify right side
    185,145,384.90x = 43,084,139,883,101,208
  5. Step 5: Solve for x
    x = 43,084,139,883,101,208/185,145,384.90
  6. Step 6: Final answer
    x = 232,704,368.55

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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.