Home / 65,670,420.40-98,496,688.20-17,152,068.40

Finding the Fourth Proportional to 65,670,420.40, 98,496,688.20 and 17,152,068.40

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Solution

The fourth proportional to 65,670,420.40, 98,496,688.20 and 17,152,068.40 is: 25,725,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670,420.40 : 98,496,688.20 = 17,152,068.40 : x
  2. Step 2: Convert to fraction form
    65,670,420.40/98,496,688.20 = 17,152,068.40/x
  3. Step 3: Cross multiply
    65,670,420.40x = 98,496,688.20 × 17,152,068.40
  4. Step 4: Simplify right side
    65,670,420.40x = 1,689,421,933,179,872.75
  5. Step 5: Solve for x
    x = 1,689,421,933,179,872.75/65,670,420.40
  6. Step 6: Final answer
    x = 25,725,766.99

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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.