Home / 130,837,227.60-180,556,568.19-72,102,000.15

Finding the Fourth Proportional to 130,837,227.60, 180,556,568.19 and 72,102,000.15

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Solution

The fourth proportional to 130,837,227.60, 180,556,568.19 and 72,102,000.15 is: 99,501,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,837,227.60 : 180,556,568.19 = 72,102,000.15 : x
  2. Step 2: Convert to fraction form
    130,837,227.60/180,556,568.19 = 72,102,000.15/x
  3. Step 3: Cross multiply
    130,837,227.60x = 180,556,568.19 × 72,102,000.15
  4. Step 4: Simplify right side
    130,837,227.60x = 13,018,489,706,718,866
  5. Step 5: Solve for x
    x = 13,018,489,706,718,866/130,837,227.60
  6. Step 6: Final answer
    x = 99,501,418.25

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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.