Home / 158,879,829.43-219,256,786.55-87,355,733.01

Finding the Fourth Proportional to 158,879,829.43, 219,256,786.55 and 87,355,733.01

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Solution

The fourth proportional to 158,879,829.43, 219,256,786.55 and 87,355,733.01 is: 120,552,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,879,829.43 : 219,256,786.55 = 87,355,733.01 : x
  2. Step 2: Convert to fraction form
    158,879,829.43/219,256,786.55 = 87,355,733.01/x
  3. Step 3: Cross multiply
    158,879,829.43x = 219,256,786.55 × 87,355,733.01
  4. Step 4: Simplify right side
    158,879,829.43x = 19,153,337,306,492,360
  5. Step 5: Solve for x
    x = 19,153,337,306,492,360/158,879,829.43
  6. Step 6: Final answer
    x = 120,552,353.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.