Home / 152,178,761-210,007,215.06-82,564,451.48

Finding the Fourth Proportional to 152,178,761, 210,007,215.06 and 82,564,451.48

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Solution

The fourth proportional to 152,178,761, 210,007,215.06 and 82,564,451.48 is: 113,939,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,178,761 : 210,007,215.06 = 82,564,451.48 : x
  2. Step 2: Convert to fraction form
    152,178,761/210,007,215.06 = 82,564,451.48/x
  3. Step 3: Cross multiply
    152,178,761x = 210,007,215.06 × 82,564,451.48
  4. Step 4: Simplify right side
    152,178,761x = 17,339,130,518,271,296
  5. Step 5: Solve for x
    x = 17,339,130,518,271,296/152,178,761
  6. Step 6: Final answer
    x = 113,939,227.82

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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.