Home / 261,244,217.22-360,516,913.86-143,769,547.05

Finding the Fourth Proportional to 261,244,217.22, 360,516,913.86 and 143,769,547.05

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Solution

The fourth proportional to 261,244,217.22, 360,516,913.86 and 143,769,547.05 is: 198,401,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,244,217.22 : 360,516,913.86 = 143,769,547.05 : x
  2. Step 2: Convert to fraction form
    261,244,217.22/360,516,913.86 = 143,769,547.05/x
  3. Step 3: Cross multiply
    261,244,217.22x = 360,516,913.86 × 143,769,547.05
  4. Step 4: Simplify right side
    261,244,217.22x = 51,831,353,409,516,072
  5. Step 5: Solve for x
    x = 51,831,353,409,516,072/261,244,217.22
  6. Step 6: Final answer
    x = 198,401,916.65

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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.