Home / 147,744,007.20-221,616,010.80-99,371,066.40

Finding the Fourth Proportional to 147,744,007.20, 221,616,010.80 and 99,371,066.40

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Solution

The fourth proportional to 147,744,007.20, 221,616,010.80 and 99,371,066.40 is: 149,056,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,007.20 : 221,616,010.80 = 99,371,066.40 : x
  2. Step 2: Convert to fraction form
    147,744,007.20/221,616,010.80 = 99,371,066.40/x
  3. Step 3: Cross multiply
    147,744,007.20x = 221,616,010.80 × 99,371,066.40
  4. Step 4: Simplify right side
    147,744,007.20x = 22,022,219,324,509,920
  5. Step 5: Solve for x
    x = 22,022,219,324,509,920/147,744,007.20
  6. Step 6: Final answer
    x = 149,056,599.60

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1.5x scale

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.