Home / 85,196,001.60-127,794,002.40-70,079,457.60

Finding the Fourth Proportional to 85,196,001.60, 127,794,002.40 and 70,079,457.60

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Solution

The fourth proportional to 85,196,001.60, 127,794,002.40 and 70,079,457.60 is: 105,119,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,196,001.60 : 127,794,002.40 = 70,079,457.60 : x
  2. Step 2: Convert to fraction form
    85,196,001.60/127,794,002.40 = 70,079,457.60/x
  3. Step 3: Cross multiply
    85,196,001.60x = 127,794,002.40 × 70,079,457.60
  4. Step 4: Simplify right side
    85,196,001.60x = 8,955,734,372,725,098
  5. Step 5: Solve for x
    x = 8,955,734,372,725,098/85,196,001.60
  6. Step 6: Final answer
    x = 105,119,186.40

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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.