Home / 221,824,428.45-306,043,360.17-127,736,547.39

Finding the Fourth Proportional to 221,824,428.45, 306,043,360.17 and 127,736,547.39

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Solution

The fourth proportional to 221,824,428.45, 306,043,360.17 and 127,736,547.39 is: 176,233,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,824,428.45 : 306,043,360.17 = 127,736,547.39 : x
  2. Step 2: Convert to fraction form
    221,824,428.45/306,043,360.17 = 127,736,547.39/x
  3. Step 3: Cross multiply
    221,824,428.45x = 306,043,360.17 × 127,736,547.39
  4. Step 4: Simplify right side
    221,824,428.45x = 39,092,922,179,750,048
  5. Step 5: Solve for x
    x = 39,092,922,179,750,048/221,824,428.45
  6. Step 6: Final answer
    x = 176,233,620.67

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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.