Home / 130,211,373.95-179,609,960.58-77,250,586.25

Finding the Fourth Proportional to 130,211,373.95, 179,609,960.58 and 77,250,586.25

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Solution

The fourth proportional to 130,211,373.95, 179,609,960.58 and 77,250,586.25 is: 106,557,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211,373.95 : 179,609,960.58 = 77,250,586.25 : x
  2. Step 2: Convert to fraction form
    130,211,373.95/179,609,960.58 = 77,250,586.25/x
  3. Step 3: Cross multiply
    130,211,373.95x = 179,609,960.58 × 77,250,586.25
  4. Step 4: Simplify right side
    130,211,373.95x = 13,874,974,750,246,342
  5. Step 5: Solve for x
    x = 13,874,974,750,246,342/130,211,373.95
  6. Step 6: Final answer
    x = 106,557,317.77

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1.5x scale

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.