Home / 149,479,219.80-224,218,829.70-140,409,293.40

Finding the Fourth Proportional to 149,479,219.80, 224,218,829.70 and 140,409,293.40

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Solution

The fourth proportional to 149,479,219.80, 224,218,829.70 and 140,409,293.40 is: 210,613,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,479,219.80 : 224,218,829.70 = 140,409,293.40 : x
  2. Step 2: Convert to fraction form
    149,479,219.80/224,218,829.70 = 140,409,293.40/x
  3. Step 3: Cross multiply
    149,479,219.80x = 224,218,829.70 × 140,409,293.40
  4. Step 4: Simplify right side
    149,479,219.80x = 31,482,407,445,151,932
  5. Step 5: Solve for x
    x = 31,482,407,445,151,932/149,479,219.80
  6. Step 6: Final answer
    x = 210,613,940.10

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1.5x scale

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.