Home / 180,055,438.15-248,475,528.81-100,670,484.39

Finding the Fourth Proportional to 180,055,438.15, 248,475,528.81 and 100,670,484.39

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Solution

The fourth proportional to 180,055,438.15, 248,475,528.81 and 100,670,484.39 is: 138,924,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,055,438.15 : 248,475,528.81 = 100,670,484.39 : x
  2. Step 2: Convert to fraction form
    180,055,438.15/248,475,528.81 = 100,670,484.39/x
  3. Step 3: Cross multiply
    180,055,438.15x = 248,475,528.81 × 100,670,484.39
  4. Step 4: Simplify right side
    180,055,438.15x = 25,014,151,844,364,100
  5. Step 5: Solve for x
    x = 25,014,151,844,364,100/180,055,438.15
  6. Step 6: Final answer
    x = 138,924,722.86

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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.