Home / 163,314,007.20-245,082,985.20-72,502,768.80

Finding the Fourth Proportional to 163,314,007.20, 245,082,985.20 and 72,502,768.80

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Solution

The fourth proportional to 163,314,007.20, 245,082,985.20 and 72,502,768.80 is: 108,803,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,314,007.20 : 245,082,985.20 = 72,502,768.80 : x
  2. Step 2: Convert to fraction form
    163,314,007.20/245,082,985.20 = 72,502,768.80/x
  3. Step 3: Cross multiply
    163,314,007.20x = 245,082,985.20 × 72,502,768.80
  4. Step 4: Simplify right side
    163,314,007.20x = 17,769,195,012,769,420
  5. Step 5: Solve for x
    x = 17,769,195,012,769,420/163,314,007.20
  6. Step 6: Final answer
    x = 108,803,863.90

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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.