Home / 85,383,916.32-127,994,055.03-36,132,017.79

Finding the Fourth Proportional to 85,383,916.32, 127,994,055.03 and 36,132,017.79

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Solution

The fourth proportional to 85,383,916.32, 127,994,055.03 and 36,132,017.79 is: 54,163,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,383,916.32 : 127,994,055.03 = 36,132,017.79 : x
  2. Step 2: Convert to fraction form
    85,383,916.32/127,994,055.03 = 36,132,017.79/x
  3. Step 3: Cross multiply
    85,383,916.32x = 127,994,055.03 × 36,132,017.79
  4. Step 4: Simplify right side
    85,383,916.32x = 4,624,683,473,358,199
  5. Step 5: Solve for x
    x = 4,624,683,473,358,199/85,383,916.32
  6. Step 6: Final answer
    x = 54,163,403.05

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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.