Home / 206,864,430.30-310,296,645.45-70,554,260.70

Finding the Fourth Proportional to 206,864,430.30, 310,296,645.45 and 70,554,260.70

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Solution

The fourth proportional to 206,864,430.30, 310,296,645.45 and 70,554,260.70 is: 105,831,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,430.30 : 310,296,645.45 = 70,554,260.70 : x
  2. Step 2: Convert to fraction form
    206,864,430.30/310,296,645.45 = 70,554,260.70/x
  3. Step 3: Cross multiply
    206,864,430.30x = 310,296,645.45 × 70,554,260.70
  4. Step 4: Simplify right side
    206,864,430.30x = 21,892,750,417,414,768
  5. Step 5: Solve for x
    x = 21,892,750,417,414,768/206,864,430.30
  6. Step 6: Final answer
    x = 105,831,391.05

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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.