Home / 130,658,851.98-180,313,977.22-71,117,271.56

Finding the Fourth Proportional to 130,658,851.98, 180,313,977.22 and 71,117,271.56

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Solution

The fourth proportional to 130,658,851.98, 180,313,977.22 and 71,117,271.56 is: 98,144,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,658,851.98 : 180,313,977.22 = 71,117,271.56 : x
  2. Step 2: Convert to fraction form
    130,658,851.98/180,313,977.22 = 71,117,271.56/x
  3. Step 3: Cross multiply
    130,658,851.98x = 180,313,977.22 × 71,117,271.56
  4. Step 4: Simplify right side
    130,658,851.98x = 12,823,438,084,018,394
  5. Step 5: Solve for x
    x = 12,823,438,084,018,394/130,658,851.98
  6. Step 6: Final answer
    x = 98,144,426.42

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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.