Home / 157,190,062.86-216,917,199.64-90,220,044.10

Finding the Fourth Proportional to 157,190,062.86, 216,917,199.64 and 90,220,044.10

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Solution

The fourth proportional to 157,190,062.86, 216,917,199.64 and 90,220,044.10 is: 124,500,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,190,062.86 : 216,917,199.64 = 90,220,044.10 : x
  2. Step 2: Convert to fraction form
    157,190,062.86/216,917,199.64 = 90,220,044.10/x
  3. Step 3: Cross multiply
    157,190,062.86x = 216,917,199.64 × 90,220,044.10
  4. Step 4: Simplify right side
    157,190,062.86x = 19,570,279,317,343,752
  5. Step 5: Solve for x
    x = 19,570,279,317,343,752/157,190,062.86
  6. Step 6: Final answer
    x = 124,500,741.09

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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.