Home / 153,983,533.56-212,444,963.27-87,856,526.76

Finding the Fourth Proportional to 153,983,533.56, 212,444,963.27 and 87,856,526.76

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Solution

The fourth proportional to 153,983,533.56, 212,444,963.27 and 87,856,526.76 is: 121,212,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,983,533.56 : 212,444,963.27 = 87,856,526.76 : x
  2. Step 2: Convert to fraction form
    153,983,533.56/212,444,963.27 = 87,856,526.76/x
  3. Step 3: Cross multiply
    153,983,533.56x = 212,444,963.27 × 87,856,526.76
  4. Step 4: Simplify right side
    153,983,533.56x = 18,664,676,601,308,728
  5. Step 5: Solve for x
    x = 18,664,676,601,308,728/153,983,533.56
  6. Step 6: Final answer
    x = 121,212,159.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.