Home / 217,831,468.56-300,598,656.60-118,710,087.69

Finding the Fourth Proportional to 217,831,468.56, 300,598,656.60 and 118,710,087.69

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Solution

The fourth proportional to 217,831,468.56, 300,598,656.60 and 118,710,087.69 is: 163,815,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,831,468.56 : 300,598,656.60 = 118,710,087.69 : x
  2. Step 2: Convert to fraction form
    217,831,468.56/300,598,656.60 = 118,710,087.69/x
  3. Step 3: Cross multiply
    217,831,468.56x = 300,598,656.60 × 118,710,087.69
  4. Step 4: Simplify right side
    217,831,468.56x = 35,684,092,884,482,200
  5. Step 5: Solve for x
    x = 35,684,092,884,482,200/217,831,468.56
  6. Step 6: Final answer
    x = 163,815,141.68

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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.