Home / 130,246,627.77-195,328,462.41-42,787,843.74

Finding the Fourth Proportional to 130,246,627.77, 195,328,462.41 and 42,787,843.74

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Solution

The fourth proportional to 130,246,627.77, 195,328,462.41 and 42,787,843.74 is: 64,168,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,246,627.77 : 195,328,462.41 = 42,787,843.74 : x
  2. Step 2: Convert to fraction form
    130,246,627.77/195,328,462.41 = 42,787,843.74/x
  3. Step 3: Cross multiply
    130,246,627.77x = 195,328,462.41 × 42,787,843.74
  4. Step 4: Simplify right side
    130,246,627.77x = 8,357,683,727,573,544
  5. Step 5: Solve for x
    x = 8,357,683,727,573,544/130,246,627.77
  6. Step 6: Final answer
    x = 64,168,139.10

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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.