Home / 85,191,711.40-127,700,475.90-41,994,476.20

Finding the Fourth Proportional to 85,191,711.40, 127,700,475.90 and 41,994,476.20

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Solution

The fourth proportional to 85,191,711.40, 127,700,475.90 and 41,994,476.20 is: 62,948,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191,711.40 : 127,700,475.90 = 41,994,476.20 : x
  2. Step 2: Convert to fraction form
    85,191,711.40/127,700,475.90 = 41,994,476.20/x
  3. Step 3: Cross multiply
    85,191,711.40x = 127,700,475.90 × 41,994,476.20
  4. Step 4: Simplify right side
    85,191,711.40x = 5,362,714,595,911,224
  5. Step 5: Solve for x
    x = 5,362,714,595,911,224/85,191,711.40
  6. Step 6: Final answer
    x = 62,948,783.49

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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.