Home / 103,364,016.48-142,648,713.60-56,954,263.20

Finding the Fourth Proportional to 103,364,016.48, 142,648,713.60 and 56,954,263.20

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Solution

The fourth proportional to 103,364,016.48, 142,648,713.60 and 56,954,263.20 is: 78,600,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,364,016.48 : 142,648,713.60 = 56,954,263.20 : x
  2. Step 2: Convert to fraction form
    103,364,016.48/142,648,713.60 = 56,954,263.20/x
  3. Step 3: Cross multiply
    103,364,016.48x = 142,648,713.60 × 56,954,263.20
  4. Step 4: Simplify right side
    103,364,016.48x = 8,124,452,379,515,820
  5. Step 5: Solve for x
    x = 8,124,452,379,515,820/103,364,016.48
  6. Step 6: Final answer
    x = 78,600,393.60

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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.