Home / 152,397,460.68-210,310,063.38-82,784,220.36

Finding the Fourth Proportional to 152,397,460.68, 210,310,063.38 and 82,784,220.36

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Solution

The fourth proportional to 152,397,460.68, 210,310,063.38 and 82,784,220.36 is: 114,243,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,397,460.68 : 210,310,063.38 = 82,784,220.36 : x
  2. Step 2: Convert to fraction form
    152,397,460.68/210,310,063.38 = 82,784,220.36/x
  3. Step 3: Cross multiply
    152,397,460.68x = 210,310,063.38 × 82,784,220.36
  4. Step 4: Simplify right side
    152,397,460.68x = 17,410,354,630,775,486
  5. Step 5: Solve for x
    x = 17,410,354,630,775,486/152,397,460.68
  6. Step 6: Final answer
    x = 114,243,075.66

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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.