Home / 255,642,919.60-383,240,430.60-153,447,617.20

Finding the Fourth Proportional to 255,642,919.60, 383,240,430.60 and 153,447,617.20

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Solution

The fourth proportional to 255,642,919.60, 383,240,430.60 and 153,447,617.20 is: 230,037,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,642,919.60 : 383,240,430.60 = 153,447,617.20 : x
  2. Step 2: Convert to fraction form
    255,642,919.60/383,240,430.60 = 153,447,617.20/x
  3. Step 3: Cross multiply
    255,642,919.60x = 383,240,430.60 × 153,447,617.20
  4. Step 4: Simplify right side
    255,642,919.60x = 58,807,330,890,271,968
  5. Step 5: Solve for x
    x = 58,807,330,890,271,968/255,642,919.60
  6. Step 6: Final answer
    x = 230,037,002.32

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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.