Home / 196,831,430.80-295,247,146.20-145,813,094.80

Finding the Fourth Proportional to 196,831,430.80, 295,247,146.20 and 145,813,094.80

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Solution

The fourth proportional to 196,831,430.80, 295,247,146.20 and 145,813,094.80 is: 218,719,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,831,430.80 : 295,247,146.20 = 145,813,094.80 : x
  2. Step 2: Convert to fraction form
    196,831,430.80/295,247,146.20 = 145,813,094.80/x
  3. Step 3: Cross multiply
    196,831,430.80x = 295,247,146.20 × 145,813,094.80
  4. Step 4: Simplify right side
    196,831,430.80x = 43,050,900,118,290,064
  5. Step 5: Solve for x
    x = 43,050,900,118,290,064/196,831,430.80
  6. Step 6: Final answer
    x = 218,719,642.20

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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.