Home / 207,407,494.80-310,912,176.60-161,323,808.40

Finding the Fourth Proportional to 207,407,494.80, 310,912,176.60 and 161,323,808.40

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Solution

The fourth proportional to 207,407,494.80, 310,912,176.60 and 161,323,808.40 is: 241,830,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,407,494.80 : 310,912,176.60 = 161,323,808.40 : x
  2. Step 2: Convert to fraction form
    207,407,494.80/310,912,176.60 = 161,323,808.40/x
  3. Step 3: Cross multiply
    207,407,494.80x = 310,912,176.60 × 161,323,808.40
  4. Step 4: Simplify right side
    207,407,494.80x = 50,157,536,407,045,368
  5. Step 5: Solve for x
    x = 50,157,536,407,045,368/207,407,494.80
  6. Step 6: Final answer
    x = 241,830,877.21

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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.