Home / 145,152,091.80-217,728,137.70-141,792,859.80

Finding the Fourth Proportional to 145,152,091.80, 217,728,137.70 and 141,792,859.80

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Solution

The fourth proportional to 145,152,091.80, 217,728,137.70 and 141,792,859.80 is: 212,689,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,091.80 : 217,728,137.70 = 141,792,859.80 : x
  2. Step 2: Convert to fraction form
    145,152,091.80/217,728,137.70 = 141,792,859.80/x
  3. Step 3: Cross multiply
    145,152,091.80x = 217,728,137.70 × 141,792,859.80
  4. Step 4: Simplify right side
    145,152,091.80x = 30,872,295,303,411,196
  5. Step 5: Solve for x
    x = 30,872,295,303,411,196/145,152,091.80
  6. Step 6: Final answer
    x = 212,689,289.70

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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.