Home / 163,520,497.80-245,280,746.70-127,240,792.20

Finding the Fourth Proportional to 163,520,497.80, 245,280,746.70 and 127,240,792.20

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Solution

The fourth proportional to 163,520,497.80, 245,280,746.70 and 127,240,792.20 is: 190,861,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520,497.80 : 245,280,746.70 = 127,240,792.20 : x
  2. Step 2: Convert to fraction form
    163,520,497.80/245,280,746.70 = 127,240,792.20/x
  3. Step 3: Cross multiply
    163,520,497.80x = 245,280,746.70 × 127,240,792.20
  4. Step 4: Simplify right side
    163,520,497.80x = 31,209,716,521,515,536
  5. Step 5: Solve for x
    x = 31,209,716,521,515,536/163,520,497.80
  6. Step 6: Final answer
    x = 190,861,188.30

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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.