Home / 130,165,378.89-179,583,731.42-74,370,766.11

Finding the Fourth Proportional to 130,165,378.89, 179,583,731.42 and 74,370,766.11

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Solution

The fourth proportional to 130,165,378.89, 179,583,731.42 and 74,370,766.11 is: 102,606,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,165,378.89 : 179,583,731.42 = 74,370,766.11 : x
  2. Step 2: Convert to fraction form
    130,165,378.89/179,583,731.42 = 74,370,766.11/x
  3. Step 3: Cross multiply
    130,165,378.89x = 179,583,731.42 × 74,370,766.11
  4. Step 4: Simplify right side
    130,165,378.89x = 13,355,779,686,226,024
  5. Step 5: Solve for x
    x = 13,355,779,686,226,024/130,165,378.89
  6. Step 6: Final answer
    x = 102,606,236.77

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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.