Home / 105,141,495.06-157,454,701.47-86,833,680.66

Finding the Fourth Proportional to 105,141,495.06, 157,454,701.47 and 86,833,680.66

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Solution

The fourth proportional to 105,141,495.06, 157,454,701.47 and 86,833,680.66 is: 130,037,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,141,495.06 : 157,454,701.47 = 86,833,680.66 : x
  2. Step 2: Convert to fraction form
    105,141,495.06/157,454,701.47 = 86,833,680.66/x
  3. Step 3: Cross multiply
    105,141,495.06x = 157,454,701.47 × 86,833,680.66
  4. Step 4: Simplify right side
    105,141,495.06x = 13,672,371,265,861,612
  5. Step 5: Solve for x
    x = 13,672,371,265,861,612/105,141,495.06
  6. Step 6: Final answer
    x = 130,037,824.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.