Home / 121,103,931.96-181,528,330.08-60,392,112.12

Finding the Fourth Proportional to 121,103,931.96, 181,528,330.08 and 60,392,112.12

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Solution

The fourth proportional to 121,103,931.96, 181,528,330.08 and 60,392,112.12 is: 90,524,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,103,931.96 : 181,528,330.08 = 60,392,112.12 : x
  2. Step 2: Convert to fraction form
    121,103,931.96/181,528,330.08 = 60,392,112.12/x
  3. Step 3: Cross multiply
    121,103,931.96x = 181,528,330.08 × 60,392,112.12
  4. Step 4: Simplify right side
    121,103,931.96x = 10,962,879,263,147,728
  5. Step 5: Solve for x
    x = 10,962,879,263,147,728/121,103,931.96
  6. Step 6: Final answer
    x = 90,524,552.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.