Home / 130,500,556.79-180,095,441.11-71,767,764.18

Finding the Fourth Proportional to 130,500,556.79, 180,095,441.11 and 71,767,764.18

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Solution

The fourth proportional to 130,500,556.79, 180,095,441.11 and 71,767,764.18 is: 99,042,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500,556.79 : 180,095,441.11 = 71,767,764.18 : x
  2. Step 2: Convert to fraction form
    130,500,556.79/180,095,441.11 = 71,767,764.18/x
  3. Step 3: Cross multiply
    130,500,556.79x = 180,095,441.11 × 71,767,764.18
  4. Step 4: Simplify right side
    130,500,556.79x = 12,925,047,147,475,560
  5. Step 5: Solve for x
    x = 12,925,047,147,475,560/130,500,556.79
  6. Step 6: Final answer
    x = 99,042,084.31

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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.