Home / 89,369,570.40-134,054,355.60-55,357,346.40

Finding the Fourth Proportional to 89,369,570.40, 134,054,355.60 and 55,357,346.40

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Solution

The fourth proportional to 89,369,570.40, 134,054,355.60 and 55,357,346.40 is: 83,036,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,369,570.40 : 134,054,355.60 = 55,357,346.40 : x
  2. Step 2: Convert to fraction form
    89,369,570.40/134,054,355.60 = 55,357,346.40/x
  3. Step 3: Cross multiply
    89,369,570.40x = 134,054,355.60 × 55,357,346.40
  4. Step 4: Simplify right side
    89,369,570.40x = 7,420,893,399,377,979
  5. Step 5: Solve for x
    x = 7,420,893,399,377,979/89,369,570.40
  6. Step 6: Final answer
    x = 83,036,019.60

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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.