Home / 165,888,000.80-248,832,001.20-122,889,831.20

Finding the Fourth Proportional to 165,888,000.80, 248,832,001.20 and 122,889,831.20

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Solution

The fourth proportional to 165,888,000.80, 248,832,001.20 and 122,889,831.20 is: 184,334,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,000.80 : 248,832,001.20 = 122,889,831.20 : x
  2. Step 2: Convert to fraction form
    165,888,000.80/248,832,001.20 = 122,889,831.20/x
  3. Step 3: Cross multiply
    165,888,000.80x = 248,832,001.20 × 122,889,831.20
  4. Step 4: Simplify right side
    165,888,000.80x = 30,578,922,624,626,196
  5. Step 5: Solve for x
    x = 30,578,922,624,626,196/165,888,000.80
  6. Step 6: Final answer
    x = 184,334,746.80

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1.5x scale

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.