Home / 130,160,951.79-179,621,620.69-71,424,599.84

Finding the Fourth Proportional to 130,160,951.79, 179,621,620.69 and 71,424,599.84

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Solution

The fourth proportional to 130,160,951.79, 179,621,620.69 and 71,424,599.84 is: 98,565,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160,951.79 : 179,621,620.69 = 71,424,599.84 : x
  2. Step 2: Convert to fraction form
    130,160,951.79/179,621,620.69 = 71,424,599.84/x
  3. Step 3: Cross multiply
    130,160,951.79x = 179,621,620.69 × 71,424,599.84
  4. Step 4: Simplify right side
    130,160,951.79x = 12,829,402,380,395,516
  5. Step 5: Solve for x
    x = 12,829,402,380,395,516/130,160,951.79
  6. Step 6: Final answer
    x = 98,565,677.37

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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.