Home / 215,888,172.48-297,932,719.32-118,103,028.48

Finding the Fourth Proportional to 215,888,172.48, 297,932,719.32 and 118,103,028.48

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Solution

The fourth proportional to 215,888,172.48, 297,932,719.32 and 118,103,028.48 is: 162,986,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,888,172.48 : 297,932,719.32 = 118,103,028.48 : x
  2. Step 2: Convert to fraction form
    215,888,172.48/297,932,719.32 = 118,103,028.48/x
  3. Step 3: Cross multiply
    215,888,172.48x = 297,932,719.32 × 118,103,028.48
  4. Step 4: Simplify right side
    215,888,172.48x = 35,186,756,434,973,808
  5. Step 5: Solve for x
    x = 35,186,756,434,973,808/215,888,172.48
  6. Step 6: Final answer
    x = 162,986,031.29

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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.