Home / 138,135,492.06-190,625,809.89-76,254,502.02

Finding the Fourth Proportional to 138,135,492.06, 190,625,809.89 and 76,254,502.02

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Solution

The fourth proportional to 138,135,492.06, 190,625,809.89 and 76,254,502.02 is: 105,230,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,135,492.06 : 190,625,809.89 = 76,254,502.02 : x
  2. Step 2: Convert to fraction form
    138,135,492.06/190,625,809.89 = 76,254,502.02/x
  3. Step 3: Cross multiply
    138,135,492.06x = 190,625,809.89 × 76,254,502.02
  4. Step 4: Simplify right side
    138,135,492.06x = 14,536,076,205,321,140
  5. Step 5: Solve for x
    x = 14,536,076,205,321,140/138,135,492.06
  6. Step 6: Final answer
    x = 105,230,567.38

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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.