Home / 77,898,068.72-107,489,969.36-44,869,059.76

Finding the Fourth Proportional to 77,898,068.72, 107,489,969.36 and 44,869,059.76

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Solution

The fourth proportional to 77,898,068.72, 107,489,969.36 and 44,869,059.76 is: 61,913,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,898,068.72 : 107,489,969.36 = 44,869,059.76 : x
  2. Step 2: Convert to fraction form
    77,898,068.72/107,489,969.36 = 44,869,059.76/x
  3. Step 3: Cross multiply
    77,898,068.72x = 107,489,969.36 × 44,869,059.76
  4. Step 4: Simplify right side
    77,898,068.72x = 4,822,973,858,814,409
  5. Step 5: Solve for x
    x = 4,822,973,858,814,409/77,898,068.72
  6. Step 6: Final answer
    x = 61,913,907.98

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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.