Home / 120,746,952.40-181,120,428.60-107,645,947.60

Finding the Fourth Proportional to 120,746,952.40, 181,120,428.60 and 107,645,947.60

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Solution

The fourth proportional to 120,746,952.40, 181,120,428.60 and 107,645,947.60 is: 161,468,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,746,952.40 : 181,120,428.60 = 107,645,947.60 : x
  2. Step 2: Convert to fraction form
    120,746,952.40/181,120,428.60 = 107,645,947.60/x
  3. Step 3: Cross multiply
    120,746,952.40x = 181,120,428.60 × 107,645,947.60
  4. Step 4: Simplify right side
    120,746,952.40x = 19,496,880,166,365,140
  5. Step 5: Solve for x
    x = 19,496,880,166,365,140/120,746,952.40
  6. Step 6: Final answer
    x = 161,468,921.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.