Home / 77,692,852.52-107,216,120.30-42,885,533.88

Finding the Fourth Proportional to 77,692,852.52, 107,216,120.30 and 42,885,533.88

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Solution

The fourth proportional to 77,692,852.52, 107,216,120.30 and 42,885,533.88 is: 59,182,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,692,852.52 : 107,216,120.30 = 42,885,533.88 : x
  2. Step 2: Convert to fraction form
    77,692,852.52/107,216,120.30 = 42,885,533.88/x
  3. Step 3: Cross multiply
    77,692,852.52x = 107,216,120.30 × 42,885,533.88
  4. Step 4: Simplify right side
    77,692,852.52x = 4,598,020,559,607,806
  5. Step 5: Solve for x
    x = 4,598,020,559,607,806/77,692,852.52
  6. Step 6: Final answer
    x = 59,182,027.82

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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.