Home / 140,036,705.40-210,055,058.10-126,166,095.30

Finding the Fourth Proportional to 140,036,705.40, 210,055,058.10 and 126,166,095.30

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Solution

The fourth proportional to 140,036,705.40, 210,055,058.10 and 126,166,095.30 is: 189,249,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,036,705.40 : 210,055,058.10 = 126,166,095.30 : x
  2. Step 2: Convert to fraction form
    140,036,705.40/210,055,058.10 = 126,166,095.30/x
  3. Step 3: Cross multiply
    140,036,705.40x = 210,055,058.10 × 126,166,095.30
  4. Step 4: Simplify right side
    140,036,705.40x = 26,501,826,478,491,636
  5. Step 5: Solve for x
    x = 26,501,826,478,491,636/140,036,705.40
  6. Step 6: Final answer
    x = 189,249,142.95

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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.