Home / 130,165,378.39-179,583,730.72-74,370,765.61

Finding the Fourth Proportional to 130,165,378.39, 179,583,730.72 and 74,370,765.61

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Solution

The fourth proportional to 130,165,378.39, 179,583,730.72 and 74,370,765.61 is: 102,606,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,165,378.39 : 179,583,730.72 = 74,370,765.61 : x
  2. Step 2: Convert to fraction form
    130,165,378.39/179,583,730.72 = 74,370,765.61/x
  3. Step 3: Cross multiply
    130,165,378.39x = 179,583,730.72 × 74,370,765.61
  4. Step 4: Simplify right side
    130,165,378.39x = 13,355,779,544,746,476
  5. Step 5: Solve for x
    x = 13,355,779,544,746,476/130,165,378.39
  6. Step 6: Final answer
    x = 102,606,236.08

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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.