Home / 152,710,912.62-210,739,287.51-83,095,094.22

Finding the Fourth Proportional to 152,710,912.62, 210,739,287.51 and 83,095,094.22

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Solution

The fourth proportional to 152,710,912.62, 210,739,287.51 and 83,095,094.22 is: 114,670,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710,912.62 : 210,739,287.51 = 83,095,094.22 : x
  2. Step 2: Convert to fraction form
    152,710,912.62/210,739,287.51 = 83,095,094.22/x
  3. Step 3: Cross multiply
    152,710,912.62x = 210,739,287.51 × 83,095,094.22
  4. Step 4: Simplify right side
    152,710,912.62x = 17,511,400,951,499,118
  5. Step 5: Solve for x
    x = 17,511,400,951,499,118/152,710,912.62
  6. Step 6: Final answer
    x = 114,670,265.87

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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.