Home / 156,955,814.43-216,637,465.91-121,603,694.80

Finding the Fourth Proportional to 156,955,814.43, 216,637,465.91 and 121,603,694.80

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Solution

The fourth proportional to 156,955,814.43, 216,637,465.91 and 121,603,694.80 is: 167,842,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955,814.43 : 216,637,465.91 = 121,603,694.80 : x
  2. Step 2: Convert to fraction form
    156,955,814.43/216,637,465.91 = 121,603,694.80/x
  3. Step 3: Cross multiply
    156,955,814.43x = 216,637,465.91 × 121,603,694.80
  4. Step 4: Simplify right side
    156,955,814.43x = 26,343,916,286,765,044
  5. Step 5: Solve for x
    x = 26,343,916,286,765,044/156,955,814.43
  6. Step 6: Final answer
    x = 167,842,882.29

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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.