Home / 136,142,552.16-187,877,921.04-74,263,165.92

Finding the Fourth Proportional to 136,142,552.16, 187,877,921.04 and 74,263,165.92

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Solution

The fourth proportional to 136,142,552.16, 187,877,921.04 and 74,263,165.92 is: 102,483,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,142,552.16 : 187,877,921.04 = 74,263,165.92 : x
  2. Step 2: Convert to fraction form
    136,142,552.16/187,877,921.04 = 74,263,165.92/x
  3. Step 3: Cross multiply
    136,142,552.16x = 187,877,921.04 × 74,263,165.92
  4. Step 4: Simplify right side
    136,142,552.16x = 13,952,409,222,898,178
  5. Step 5: Solve for x
    x = 13,952,409,222,898,178/136,142,552.16
  6. Step 6: Final answer
    x = 102,483,823.03

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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.