Home / 143,128,210.41-197,460,132.40-82,766,050.25

Finding the Fourth Proportional to 143,128,210.41, 197,460,132.40 and 82,766,050.25

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Solution

The fourth proportional to 143,128,210.41, 197,460,132.40 and 82,766,050.25 is: 114,184,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,128,210.41 : 197,460,132.40 = 82,766,050.25 : x
  2. Step 2: Convert to fraction form
    143,128,210.41/197,460,132.40 = 82,766,050.25/x
  3. Step 3: Cross multiply
    143,128,210.41x = 197,460,132.40 × 82,766,050.25
  4. Step 4: Simplify right side
    143,128,210.41x = 16,342,995,240,176,224
  5. Step 5: Solve for x
    x = 16,342,995,240,176,224/143,128,210.41
  6. Step 6: Final answer
    x = 114,184,305.06

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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.