Home / 79,934,478.88-110,312,254.48-48,988,668.32

Finding the Fourth Proportional to 79,934,478.88, 110,312,254.48 and 48,988,668.32

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Solution

The fourth proportional to 79,934,478.88, 110,312,254.48 and 48,988,668.32 is: 67,606,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,934,478.88 : 110,312,254.48 = 48,988,668.32 : x
  2. Step 2: Convert to fraction form
    79,934,478.88/110,312,254.48 = 48,988,668.32/x
  3. Step 3: Cross multiply
    79,934,478.88x = 110,312,254.48 × 48,988,668.32
  4. Step 4: Simplify right side
    79,934,478.88x = 5,404,050,446,352,154
  5. Step 5: Solve for x
    x = 5,404,050,446,352,154/79,934,478.88
  6. Step 6: Final answer
    x = 67,606,000.84

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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.