Home / 136,024,129-187,710,508.38-74,143,926.28

Finding the Fourth Proportional to 136,024,129, 187,710,508.38 and 74,143,926.28

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Solution

The fourth proportional to 136,024,129, 187,710,508.38 and 74,143,926.28 is: 102,317,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,024,129 : 187,710,508.38 = 74,143,926.28 : x
  2. Step 2: Convert to fraction form
    136,024,129/187,710,508.38 = 74,143,926.28/x
  3. Step 3: Cross multiply
    136,024,129x = 187,710,508.38 × 74,143,926.28
  4. Step 4: Simplify right side
    136,024,129x = 13,917,594,095,308,042
  5. Step 5: Solve for x
    x = 13,917,594,095,308,042/136,024,129
  6. Step 6: Final answer
    x = 102,317,097.69

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1.5x scale

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.