Home / 109,124,129.80-163,213,802.70-97,692,243.40

Finding the Fourth Proportional to 109,124,129.80, 163,213,802.70 and 97,692,243.40

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Solution

The fourth proportional to 109,124,129.80, 163,213,802.70 and 97,692,243.40 is: 146,115,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,124,129.80 : 163,213,802.70 = 97,692,243.40 : x
  2. Step 2: Convert to fraction form
    109,124,129.80/163,213,802.70 = 97,692,243.40/x
  3. Step 3: Cross multiply
    109,124,129.80x = 163,213,802.70 × 97,692,243.40
  4. Step 4: Simplify right side
    109,124,129.80x = 15,944,722,539,607,976
  5. Step 5: Solve for x
    x = 15,944,722,539,607,976/109,124,129.80
  6. Step 6: Final answer
    x = 146,115,461.07

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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.