Home / 137,898,077.22-190,300,630.20-76,020,630.12

Finding the Fourth Proportional to 137,898,077.22, 190,300,630.20 and 76,020,630.12

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Solution

The fourth proportional to 137,898,077.22, 190,300,630.20 and 76,020,630.12 is: 104,909,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,898,077.22 : 190,300,630.20 = 76,020,630.12 : x
  2. Step 2: Convert to fraction form
    137,898,077.22/190,300,630.20 = 76,020,630.12/x
  3. Step 3: Cross multiply
    137,898,077.22x = 190,300,630.20 × 76,020,630.12
  4. Step 4: Simplify right side
    137,898,077.22x = 14,466,773,820,037,102
  5. Step 5: Solve for x
    x = 14,466,773,820,037,102/137,898,077.22
  6. Step 6: Final answer
    x = 104,909,177.21

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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.