Home / 132,999,147.15-183,569,423.18-78,012,718.35

Finding the Fourth Proportional to 132,999,147.15, 183,569,423.18 and 78,012,718.35

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Solution

The fourth proportional to 132,999,147.15, 183,569,423.18 and 78,012,718.35 is: 107,675,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,999,147.15 : 183,569,423.18 = 78,012,718.35 : x
  2. Step 2: Convert to fraction form
    132,999,147.15/183,569,423.18 = 78,012,718.35/x
  3. Step 3: Cross multiply
    132,999,147.15x = 183,569,423.18 × 78,012,718.35
  4. Step 4: Simplify right side
    132,999,147.15x = 14,320,749,708,213,300
  5. Step 5: Solve for x
    x = 14,320,749,708,213,300/132,999,147.15
  6. Step 6: Final answer
    x = 107,675,500.30

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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.