Home / 165,260,772.60-247,607,723.70-78,813,036.60

Finding the Fourth Proportional to 165,260,772.60, 247,607,723.70 and 78,813,036.60

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Solution

The fourth proportional to 165,260,772.60, 247,607,723.70 and 78,813,036.60 is: 118,084,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,260,772.60 : 247,607,723.70 = 78,813,036.60 : x
  2. Step 2: Convert to fraction form
    165,260,772.60/247,607,723.70 = 78,813,036.60/x
  3. Step 3: Cross multiply
    165,260,772.60x = 247,607,723.70 × 78,813,036.60
  4. Step 4: Simplify right side
    165,260,772.60x = 19,514,716,590,410,784
  5. Step 5: Solve for x
    x = 19,514,716,590,410,784/165,260,772.60
  6. Step 6: Final answer
    x = 118,084,384.35

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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.