Home / 139,968,705.40-209,953,058.10-105,956,481.40

Finding the Fourth Proportional to 139,968,705.40, 209,953,058.10 and 105,956,481.40

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Solution

The fourth proportional to 139,968,705.40, 209,953,058.10 and 105,956,481.40 is: 158,934,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,705.40 : 209,953,058.10 = 105,956,481.40 : x
  2. Step 2: Convert to fraction form
    139,968,705.40/209,953,058.10 = 105,956,481.40/x
  3. Step 3: Cross multiply
    139,968,705.40x = 209,953,058.10 × 105,956,481.40
  4. Step 4: Simplify right side
    139,968,705.40x = 22,245,887,295,445,768
  5. Step 5: Solve for x
    x = 22,245,887,295,445,768/139,968,705.40
  6. Step 6: Final answer
    x = 158,934,722.10

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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.