Home / 152,326,817.53-210,217,035.58-85,346,353.46

Finding the Fourth Proportional to 152,326,817.53, 210,217,035.58 and 85,346,353.46

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Solution

The fourth proportional to 152,326,817.53, 210,217,035.58 and 85,346,353.46 is: 117,781,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,326,817.53 : 210,217,035.58 = 85,346,353.46 : x
  2. Step 2: Convert to fraction form
    152,326,817.53/210,217,035.58 = 85,346,353.46/x
  3. Step 3: Cross multiply
    152,326,817.53x = 210,217,035.58 × 85,346,353.46
  4. Step 4: Simplify right side
    152,326,817.53x = 17,941,257,422,004,430
  5. Step 5: Solve for x
    x = 17,941,257,422,004,430/152,326,817.53
  6. Step 6: Final answer
    x = 117,781,344.83

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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.