Home / 156,720,949.07-216,262,054.29-92,263,623.48

Finding the Fourth Proportional to 156,720,949.07, 216,262,054.29 and 92,263,623.48

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Solution

The fourth proportional to 156,720,949.07, 216,262,054.29 and 92,263,623.48 is: 127,316,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,720,949.07 : 216,262,054.29 = 92,263,623.48 : x
  2. Step 2: Convert to fraction form
    156,720,949.07/216,262,054.29 = 92,263,623.48/x
  3. Step 3: Cross multiply
    156,720,949.07x = 216,262,054.29 × 92,263,623.48
  4. Step 4: Simplify right side
    156,720,949.07x = 19,953,120,750,023,880
  5. Step 5: Solve for x
    x = 19,953,120,750,023,880/156,720,949.07
  6. Step 6: Final answer
    x = 127,316,232.25

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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.