Home / 153,346,707.92-211,617,612.96-83,731,593.26

Finding the Fourth Proportional to 153,346,707.92, 211,617,612.96 and 83,731,593.26

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Solution

The fourth proportional to 153,346,707.92, 211,617,612.96 and 83,731,593.26 is: 115,549,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,346,707.92 : 211,617,612.96 = 83,731,593.26 : x
  2. Step 2: Convert to fraction form
    153,346,707.92/211,617,612.96 = 83,731,593.26/x
  3. Step 3: Cross multiply
    153,346,707.92x = 211,617,612.96 × 83,731,593.26
  4. Step 4: Simplify right side
    153,346,707.92x = 17,719,079,893,960,736
  5. Step 5: Solve for x
    x = 17,719,079,893,960,736/153,346,707.92
  6. Step 6: Final answer
    x = 115,549,137.86

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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.