Home / 213,146,146.56-294,148,814.72-130,623,994.88

Finding the Fourth Proportional to 213,146,146.56, 294,148,814.72 and 130,623,994.88

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Solution

The fourth proportional to 213,146,146.56, 294,148,814.72 and 130,623,994.88 is: 180,265,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,146,146.56 : 294,148,814.72 = 130,623,994.88 : x
  2. Step 2: Convert to fraction form
    213,146,146.56/294,148,814.72 = 130,623,994.88/x
  3. Step 3: Cross multiply
    213,146,146.56x = 294,148,814.72 × 130,623,994.88
  4. Step 4: Simplify right side
    213,146,146.56x = 38,422,893,267,943,352
  5. Step 5: Solve for x
    x = 38,422,893,267,943,352/213,146,146.56
  6. Step 6: Final answer
    x = 180,265,483.98

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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.