Home / 140,518,656.40-193,911,580.92-77,797,550.02

Finding the Fourth Proportional to 140,518,656.40, 193,911,580.92 and 77,797,550.02

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Solution

The fourth proportional to 140,518,656.40, 193,911,580.92 and 77,797,550.02 is: 107,358,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,518,656.40 : 193,911,580.92 = 77,797,550.02 : x
  2. Step 2: Convert to fraction form
    140,518,656.40/193,911,580.92 = 77,797,550.02/x
  3. Step 3: Cross multiply
    140,518,656.40x = 193,911,580.92 × 77,797,550.02
  4. Step 4: Simplify right side
    140,518,656.40x = 15,085,845,916,080,976
  5. Step 5: Solve for x
    x = 15,085,845,916,080,976/140,518,656.40
  6. Step 6: Final answer
    x = 107,358,313.14

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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.