Home / 76,573,026.39-105,679,710.07-43,538,225.31

Finding the Fourth Proportional to 76,573,026.39, 105,679,710.07 and 43,538,225.31

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Solution

The fourth proportional to 76,573,026.39, 105,679,710.07 and 43,538,225.31 is: 60,087,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,573,026.39 : 105,679,710.07 = 43,538,225.31 : x
  2. Step 2: Convert to fraction form
    76,573,026.39/105,679,710.07 = 43,538,225.31/x
  3. Step 3: Cross multiply
    76,573,026.39x = 105,679,710.07 × 43,538,225.31
  4. Step 4: Simplify right side
    76,573,026.39x = 4,601,107,027,754,305
  5. Step 5: Solve for x
    x = 4,601,107,027,754,305/76,573,026.39
  6. Step 6: Final answer
    x = 60,087,830.47

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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.