Home / 103,373,619.02-142,656,550.98-56,965,533.74

Finding the Fourth Proportional to 103,373,619.02, 142,656,550.98 and 56,965,533.74

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Solution

The fourth proportional to 103,373,619.02, 142,656,550.98 and 56,965,533.74 is: 78,612,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373,619.02 : 142,656,550.98 = 56,965,533.74 : x
  2. Step 2: Convert to fraction form
    103,373,619.02/142,656,550.98 = 56,965,533.74/x
  3. Step 3: Cross multiply
    103,373,619.02x = 142,656,550.98 × 56,965,533.74
  4. Step 4: Simplify right side
    103,373,619.02x = 8,126,506,568,226,240
  5. Step 5: Solve for x
    x = 8,126,506,568,226,240/103,373,619.02
  6. Step 6: Final answer
    x = 78,612,963.78

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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.