Home / 161,625,729.60-242,590,809.60-85,003,747.20

Finding the Fourth Proportional to 161,625,729.60, 242,590,809.60 and 85,003,747.20

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Solution

The fourth proportional to 161,625,729.60, 242,590,809.60 and 85,003,747.20 is: 127,585,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,625,729.60 : 242,590,809.60 = 85,003,747.20 : x
  2. Step 2: Convert to fraction form
    161,625,729.60/242,590,809.60 = 85,003,747.20/x
  3. Step 3: Cross multiply
    161,625,729.60x = 242,590,809.60 × 85,003,747.20
  4. Step 4: Simplify right side
    161,625,729.60x = 20,621,127,852,281,732
  5. Step 5: Solve for x
    x = 20,621,127,852,281,732/161,625,729.60
  6. Step 6: Final answer
    x = 127,585,675.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.