Home / 73,903,103,999.60-110,854,655,999.40-66,421,422,489.20

Finding the Fourth Proportional to 73,903,103,999.60, 110,854,655,999.40 and 66,421,422,489.20

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Solution

The fourth proportional to 73,903,103,999.60, 110,854,655,999.40 and 66,421,422,489.20 is: 99,632,133,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,903,103,999.60 : 110,854,655,999.40 = 66,421,422,489.20 : x
  2. Step 2: Convert to fraction form
    73,903,103,999.60/110,854,655,999.40 = 66,421,422,489.20/x
  3. Step 3: Cross multiply
    73,903,103,999.60x = 110,854,655,999.40 × 66,421,422,489.20
  4. Step 4: Simplify right side
    73,903,103,999.60x = 7,363,123,941,031,076,167,680
  5. Step 5: Solve for x
    x = 7,363,123,941,031,076,167,680/73,903,103,999.60
  6. Step 6: Final answer
    x = 99,632,133,733.80

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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.