Home / 163,518,466.20-245,411,543.70-162,243,007.80

Finding the Fourth Proportional to 163,518,466.20, 245,411,543.70 and 162,243,007.80

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Solution

The fourth proportional to 163,518,466.20, 245,411,543.70 and 162,243,007.80 is: 243,497,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,518,466.20 : 245,411,543.70 = 162,243,007.80 : x
  2. Step 2: Convert to fraction form
    163,518,466.20/245,411,543.70 = 162,243,007.80/x
  3. Step 3: Cross multiply
    163,518,466.20x = 245,411,543.70 × 162,243,007.80
  4. Step 4: Simplify right side
    163,518,466.20x = 39,816,306,998,729,144
  5. Step 5: Solve for x
    x = 39,816,306,998,729,144/163,518,466.20
  6. Step 6: Final answer
    x = 243,497,312.10

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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.