Home / 147,694,000.80-221,740,455.60-86,346,026.40

Finding the Fourth Proportional to 147,694,000.80, 221,740,455.60 and 86,346,026.40

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Solution

The fourth proportional to 147,694,000.80, 221,740,455.60 and 86,346,026.40 is: 129,635,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,694,000.80 : 221,740,455.60 = 86,346,026.40 : x
  2. Step 2: Convert to fraction form
    147,694,000.80/221,740,455.60 = 86,346,026.40/x
  3. Step 3: Cross multiply
    147,694,000.80x = 221,740,455.60 × 86,346,026.40
  4. Step 4: Simplify right side
    147,694,000.80x = 19,146,407,233,185,628
  5. Step 5: Solve for x
    x = 19,146,407,233,185,628/147,694,000.80
  6. Step 6: Final answer
    x = 129,635,646.20

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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.