Home / 152,759,892.66-210,826,602.54-85,789,856.76

Finding the Fourth Proportional to 152,759,892.66, 210,826,602.54 and 85,789,856.76

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Solution

The fourth proportional to 152,759,892.66, 210,826,602.54 and 85,789,856.76 is: 118,400,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,759,892.66 : 210,826,602.54 = 85,789,856.76 : x
  2. Step 2: Convert to fraction form
    152,759,892.66/210,826,602.54 = 85,789,856.76/x
  3. Step 3: Cross multiply
    152,759,892.66x = 210,826,602.54 × 85,789,856.76
  4. Step 4: Simplify right side
    152,759,892.66x = 18,086,784,033,104,052
  5. Step 5: Solve for x
    x = 18,086,784,033,104,052/152,759,892.66
  6. Step 6: Final answer
    x = 118,400,083.41

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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.