Home / 70,203,200.40-105,178,829.40-60,125,504.40

Finding the Fourth Proportional to 70,203,200.40, 105,178,829.40 and 60,125,504.40

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Solution

The fourth proportional to 70,203,200.40, 105,178,829.40 and 60,125,504.40 is: 90,080,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,203,200.40 : 105,178,829.40 = 60,125,504.40 : x
  2. Step 2: Convert to fraction form
    70,203,200.40/105,178,829.40 = 60,125,504.40/x
  3. Step 3: Cross multiply
    70,203,200.40x = 105,178,829.40 × 60,125,504.40
  4. Step 4: Simplify right side
    70,203,200.40x = 6,323,930,169,876,550
  5. Step 5: Solve for x
    x = 6,323,930,169,876,550/70,203,200.40
  6. Step 6: Final answer
    x = 90,080,368.61

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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.