Home / 119,885,551.54-165,440,314.79-66,963,012.26

Finding the Fourth Proportional to 119,885,551.54, 165,440,314.79 and 66,963,012.26

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Solution

The fourth proportional to 119,885,551.54, 165,440,314.79 and 66,963,012.26 is: 92,407,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,885,551.54 : 165,440,314.79 = 66,963,012.26 : x
  2. Step 2: Convert to fraction form
    119,885,551.54/165,440,314.79 = 66,963,012.26/x
  3. Step 3: Cross multiply
    119,885,551.54x = 165,440,314.79 × 66,963,012.26
  4. Step 4: Simplify right side
    119,885,551.54x = 11,078,381,826,921,236
  5. Step 5: Solve for x
    x = 11,078,381,826,921,236/119,885,551.54
  6. Step 6: Final answer
    x = 92,407,981.49

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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.