Home / 145,770,344.80-218,710,741.38-87,518,702.32

Finding the Fourth Proportional to 145,770,344.80, 218,710,741.38 and 87,518,702.32

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Solution

The fourth proportional to 145,770,344.80, 218,710,741.38 and 87,518,702.32 is: 131,311,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,770,344.80 : 218,710,741.38 = 87,518,702.32 : x
  2. Step 2: Convert to fraction form
    145,770,344.80/218,710,741.38 = 87,518,702.32/x
  3. Step 3: Cross multiply
    145,770,344.80x = 218,710,741.38 × 87,518,702.32
  4. Step 4: Simplify right side
    145,770,344.80x = 19,141,280,269,022,724
  5. Step 5: Solve for x
    x = 19,141,280,269,022,724/145,770,344.80
  6. Step 6: Final answer
    x = 131,311,209.39

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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.