Home / 146,996,962.80-220,495,444.20-103,158,985.20

Finding the Fourth Proportional to 146,996,962.80, 220,495,444.20 and 103,158,985.20

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Solution

The fourth proportional to 146,996,962.80, 220,495,444.20 and 103,158,985.20 is: 154,738,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,996,962.80 : 220,495,444.20 = 103,158,985.20 : x
  2. Step 2: Convert to fraction form
    146,996,962.80/220,495,444.20 = 103,158,985.20/x
  3. Step 3: Cross multiply
    146,996,962.80x = 220,495,444.20 × 103,158,985.20
  4. Step 4: Simplify right side
    146,996,962.80x = 22,746,086,264,895,224
  5. Step 5: Solve for x
    x = 22,746,086,264,895,224/146,996,962.80
  6. Step 6: Final answer
    x = 154,738,477.80

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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.