Home / 147,018,172.40-220,191,335.40-86,551,996.40

Finding the Fourth Proportional to 147,018,172.40, 220,191,335.40 and 86,551,996.40

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Solution

The fourth proportional to 147,018,172.40, 220,191,335.40 and 86,551,996.40 is: 129,630,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,018,172.40 : 220,191,335.40 = 86,551,996.40 : x
  2. Step 2: Convert to fraction form
    147,018,172.40/220,191,335.40 = 86,551,996.40/x
  3. Step 3: Cross multiply
    147,018,172.40x = 220,191,335.40 × 86,551,996.40
  4. Step 4: Simplify right side
    147,018,172.40x = 19,057,999,668,851,996
  5. Step 5: Solve for x
    x = 19,057,999,668,851,996/147,018,172.40
  6. Step 6: Final answer
    x = 129,630,231.13

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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.