Home / 86,198,593.92-118,956,566.64-47,042,889.12

Finding the Fourth Proportional to 86,198,593.92, 118,956,566.64 and 47,042,889.12

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Solution

The fourth proportional to 86,198,593.92, 118,956,566.64 and 47,042,889.12 is: 64,920,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,198,593.92 : 118,956,566.64 = 47,042,889.12 : x
  2. Step 2: Convert to fraction form
    86,198,593.92/118,956,566.64 = 47,042,889.12/x
  3. Step 3: Cross multiply
    86,198,593.92x = 118,956,566.64 × 47,042,889.12
  4. Step 4: Simplify right side
    86,198,593.92x = 5,596,060,574,541,411
  5. Step 5: Solve for x
    x = 5,596,060,574,541,411/86,198,593.92
  6. Step 6: Final answer
    x = 64,920,555.20

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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.