Home / 152,719,778,350.92-210,759,826,171.32-85,054,357,718.76

Finding the Fourth Proportional to 152,719,778,350.92, 210,759,826,171.32 and 85,054,357,718.76

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Solution

The fourth proportional to 152,719,778,350.92, 210,759,826,171.32 and 85,054,357,718.76 is: 117,378,651,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,719,778,350.92 : 210,759,826,171.32 = 85,054,357,718.76 : x
  2. Step 2: Convert to fraction form
    152,719,778,350.92/210,759,826,171.32 = 85,054,357,718.76/x
  3. Step 3: Cross multiply
    152,719,778,350.92x = 210,759,826,171.32 × 85,054,357,718.76
  4. Step 4: Simplify right side
    152,719,778,350.92x = 17,926,041,647,919,126,282,240
  5. Step 5: Solve for x
    x = 17,926,041,647,919,126,282,240/152,719,778,350.92
  6. Step 6: Final answer
    x = 117,378,651,550.48

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1.5x scale

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.