Home / 165,590,488.80-248,833,630.80-145,882,994.40

Finding the Fourth Proportional to 165,590,488.80, 248,833,630.80 and 145,882,994.40

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Solution

The fourth proportional to 165,590,488.80, 248,833,630.80 and 145,882,994.40 is: 219,219,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,488.80 : 248,833,630.80 = 145,882,994.40 : x
  2. Step 2: Convert to fraction form
    165,590,488.80/248,833,630.80 = 145,882,994.40/x
  3. Step 3: Cross multiply
    165,590,488.80x = 248,833,630.80 × 145,882,994.40
  4. Step 4: Simplify right side
    165,590,488.80x = 36,300,595,168,528,072
  5. Step 5: Solve for x
    x = 36,300,595,168,528,072/165,590,488.80
  6. Step 6: Final answer
    x = 219,219,083.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.