Home / 153,311,260.01-211,561,536.17-83,683,188.77

Finding the Fourth Proportional to 153,311,260.01, 211,561,536.17 and 83,683,188.77

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Solution

The fourth proportional to 153,311,260.01, 211,561,536.17 and 83,683,188.77 is: 115,478,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,311,260.01 : 211,561,536.17 = 83,683,188.77 : x
  2. Step 2: Convert to fraction form
    153,311,260.01/211,561,536.17 = 83,683,188.77/x
  3. Step 3: Cross multiply
    153,311,260.01x = 211,561,536.17 × 83,683,188.77
  4. Step 4: Simplify right side
    153,311,260.01x = 17,704,143,967,366,876
  5. Step 5: Solve for x
    x = 17,704,143,967,366,876/153,311,260.01
  6. Step 6: Final answer
    x = 115,478,432.35

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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.