Home / 402,422,110.08-603,632,412-126,094,478.72

Finding the Fourth Proportional to 402,422,110.08, 603,632,412 and 126,094,478.72

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Solution

The fourth proportional to 402,422,110.08, 603,632,412 and 126,094,478.72 is: 189,141,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,110.08 : 603,632,412 = 126,094,478.72 : x
  2. Step 2: Convert to fraction form
    402,422,110.08/603,632,412 = 126,094,478.72/x
  3. Step 3: Cross multiply
    402,422,110.08x = 603,632,412 × 126,094,478.72
  4. Step 4: Simplify right side
    402,422,110.08x = 76,114,714,329,636,272
  5. Step 5: Solve for x
    x = 76,114,714,329,636,272/402,422,110.08
  6. Step 6: Final answer
    x = 189,141,482.10

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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.