Home / 145,395,050.40-218,092,575.60-139,655,487.60

Finding the Fourth Proportional to 145,395,050.40, 218,092,575.60 and 139,655,487.60

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Solution

The fourth proportional to 145,395,050.40, 218,092,575.60 and 139,655,487.60 is: 209,483,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,395,050.40 : 218,092,575.60 = 139,655,487.60 : x
  2. Step 2: Convert to fraction form
    145,395,050.40/218,092,575.60 = 139,655,487.60/x
  3. Step 3: Cross multiply
    145,395,050.40x = 218,092,575.60 × 139,655,487.60
  4. Step 4: Simplify right side
    145,395,050.40x = 30,457,824,987,357,860
  5. Step 5: Solve for x
    x = 30,457,824,987,357,860/145,395,050.40
  6. Step 6: Final answer
    x = 209,483,231.40

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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.