Home / 145,532,177,999.20-218,298,266,998.80-70,963,778,101.60

Finding the Fourth Proportional to 145,532,177,999.20, 218,298,266,998.80 and 70,963,778,101.60

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Solution

The fourth proportional to 145,532,177,999.20, 218,298,266,998.80 and 70,963,778,101.60 is: 106,445,667,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,532,177,999.20 : 218,298,266,998.80 = 70,963,778,101.60 : x
  2. Step 2: Convert to fraction form
    145,532,177,999.20/218,298,266,998.80 = 70,963,778,101.60/x
  3. Step 3: Cross multiply
    145,532,177,999.20x = 218,298,266,998.80 × 70,963,778,101.60
  4. Step 4: Simplify right side
    145,532,177,999.20x = 15,491,269,779,266,673,311,744
  5. Step 5: Solve for x
    x = 15,491,269,779,266,673,311,744/145,532,177,999.20
  6. Step 6: Final answer
    x = 106,445,667,152.40

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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.