Home / 216,755,411.49-299,122,467.61-117,636,158.88

Finding the Fourth Proportional to 216,755,411.49, 299,122,467.61 and 117,636,158.88

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Solution

The fourth proportional to 216,755,411.49, 299,122,467.61 and 117,636,158.88 is: 162,337,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,755,411.49 : 299,122,467.61 = 117,636,158.88 : x
  2. Step 2: Convert to fraction form
    216,755,411.49/299,122,467.61 = 117,636,158.88/x
  3. Step 3: Cross multiply
    216,755,411.49x = 299,122,467.61 × 117,636,158.88
  4. Step 4: Simplify right side
    216,755,411.49x = 35,187,618,124,053,524
  5. Step 5: Solve for x
    x = 35,187,618,124,053,524/216,755,411.49
  6. Step 6: Final answer
    x = 162,337,899.12

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1.5x scale

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.