Home / 79,934,476.88-110,312,251.72-48,988,666.32

Finding the Fourth Proportional to 79,934,476.88, 110,312,251.72 and 48,988,666.32

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Solution

The fourth proportional to 79,934,476.88, 110,312,251.72 and 48,988,666.32 is: 67,605,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,934,476.88 : 110,312,251.72 = 48,988,666.32 : x
  2. Step 2: Convert to fraction form
    79,934,476.88/110,312,251.72 = 48,988,666.32/x
  3. Step 3: Cross multiply
    79,934,476.88x = 110,312,251.72 × 48,988,666.32
  4. Step 4: Simplify right side
    79,934,476.88x = 5,404,050,090,518,926
  5. Step 5: Solve for x
    x = 5,404,050,090,518,926/79,934,476.88
  6. Step 6: Final answer
    x = 67,605,998.08

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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.