Home / 321,049,966.95-443,021,894.64-177,999,547.19

Finding the Fourth Proportional to 321,049,966.95, 443,021,894.64 and 177,999,547.19

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Solution

The fourth proportional to 321,049,966.95, 443,021,894.64 and 177,999,547.19 is: 245,624,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,049,966.95 : 443,021,894.64 = 177,999,547.19 : x
  2. Step 2: Convert to fraction form
    321,049,966.95/443,021,894.64 = 177,999,547.19/x
  3. Step 3: Cross multiply
    321,049,966.95x = 443,021,894.64 × 177,999,547.19
  4. Step 4: Simplify right side
    321,049,966.95x = 78,857,696,638,960,784
  5. Step 5: Solve for x
    x = 78,857,696,638,960,784/321,049,966.95
  6. Step 6: Final answer
    x = 245,624,372.39

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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.