Home / 159,162,712.84-219,642,293.93-89,547,927.65

Finding the Fourth Proportional to 159,162,712.84, 219,642,293.93 and 89,547,927.65

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Solution

The fourth proportional to 159,162,712.84, 219,642,293.93 and 89,547,927.65 is: 123,574,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,162,712.84 : 219,642,293.93 = 89,547,927.65 : x
  2. Step 2: Convert to fraction form
    159,162,712.84/219,642,293.93 = 89,547,927.65/x
  3. Step 3: Cross multiply
    159,162,712.84x = 219,642,293.93 × 89,547,927.65
  4. Step 4: Simplify right side
    159,162,712.84x = 19,668,512,245,138,636
  5. Step 5: Solve for x
    x = 19,668,512,245,138,636/159,162,712.84
  6. Step 6: Final answer
    x = 123,574,874.38

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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.