Home / 103,314,635.72-142,574,192.24-56,904,891.92

Finding the Fourth Proportional to 103,314,635.72, 142,574,192.24 and 56,904,891.92

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Solution

The fourth proportional to 103,314,635.72, 142,574,192.24 and 56,904,891.92 is: 78,528,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,314,635.72 : 142,574,192.24 = 56,904,891.92 : x
  2. Step 2: Convert to fraction form
    103,314,635.72/142,574,192.24 = 56,904,891.92/x
  3. Step 3: Cross multiply
    103,314,635.72x = 142,574,192.24 × 56,904,891.92
  4. Step 4: Simplify right side
    103,314,635.72x = 8,113,168,999,998,503
  5. Step 5: Solve for x
    x = 8,113,168,999,998,503/103,314,635.72
  6. Step 6: Final answer
    x = 78,528,748.07

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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.