Home / 140,518,557.40-193,911,444.42-77,797,450.75

Finding the Fourth Proportional to 140,518,557.40, 193,911,444.42 and 77,797,450.75

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Solution

The fourth proportional to 140,518,557.40, 193,911,444.42 and 77,797,450.75 is: 107,358,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,518,557.40 : 193,911,444.42 = 77,797,450.75 : x
  2. Step 2: Convert to fraction form
    140,518,557.40/193,911,444.42 = 77,797,450.75/x
  3. Step 3: Cross multiply
    140,518,557.40x = 193,911,444.42 × 77,797,450.75
  4. Step 4: Simplify right side
    140,518,557.40x = 15,085,816,047,126,312
  5. Step 5: Solve for x
    x = 15,085,816,047,126,312/140,518,557.40
  6. Step 6: Final answer
    x = 107,358,176.22

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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.