Home / 259,789,929.65-358,507,248.79-140,709,559.32

Finding the Fourth Proportional to 259,789,929.65, 358,507,248.79 and 140,709,559.32

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Solution

The fourth proportional to 259,789,929.65, 358,507,248.79 and 140,709,559.32 is: 194,177,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,789,929.65 : 358,507,248.79 = 140,709,559.32 : x
  2. Step 2: Convert to fraction form
    259,789,929.65/358,507,248.79 = 140,709,559.32/x
  3. Step 3: Cross multiply
    259,789,929.65x = 358,507,248.79 × 140,709,559.32
  4. Step 4: Simplify right side
    259,789,929.65x = 50,445,396,988,666,688
  5. Step 5: Solve for x
    x = 50,445,396,988,666,688/259,789,929.65
  6. Step 6: Final answer
    x = 194,177,645.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.