Home / 152,452,820.27-210,384,457.22-82,838,182.70

Finding the Fourth Proportional to 152,452,820.27, 210,384,457.22 and 82,838,182.70

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Solution

The fourth proportional to 152,452,820.27, 210,384,457.22 and 82,838,182.70 is: 114,316,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,452,820.27 : 210,384,457.22 = 82,838,182.70 : x
  2. Step 2: Convert to fraction form
    152,452,820.27/210,384,457.22 = 82,838,182.70/x
  3. Step 3: Cross multiply
    152,452,820.27x = 210,384,457.22 × 82,838,182.70
  4. Step 4: Simplify right side
    152,452,820.27x = 17,427,866,104,430,694
  5. Step 5: Solve for x
    x = 17,427,866,104,430,694/152,452,820.27
  6. Step 6: Final answer
    x = 114,316,455.89

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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.