Home / 89,016,235.40-133,506,638.40-42,958,015.40

Finding the Fourth Proportional to 89,016,235.40, 133,506,638.40 and 42,958,015.40

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Solution

The fourth proportional to 89,016,235.40, 133,506,638.40 and 42,958,015.40 is: 64,428,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,016,235.40 : 133,506,638.40 = 42,958,015.40 : x
  2. Step 2: Convert to fraction form
    89,016,235.40/133,506,638.40 = 42,958,015.40/x
  3. Step 3: Cross multiply
    89,016,235.40x = 133,506,638.40 × 42,958,015.40
  4. Step 4: Simplify right side
    89,016,235.40x = 5,735,180,228,389,431
  5. Step 5: Solve for x
    x = 5,735,180,228,389,431/89,016,235.40
  6. Step 6: Final answer
    x = 64,428,474.23

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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.