Home / 152,807,774.76-210,893,012.10-90,098,067.24

Finding the Fourth Proportional to 152,807,774.76, 210,893,012.10 and 90,098,067.24

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Solution

The fourth proportional to 152,807,774.76, 210,893,012.10 and 90,098,067.24 is: 124,346,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,807,774.76 : 210,893,012.10 = 90,098,067.24 : x
  2. Step 2: Convert to fraction form
    152,807,774.76/210,893,012.10 = 90,098,067.24/x
  3. Step 3: Cross multiply
    152,807,774.76x = 210,893,012.10 × 90,098,067.24
  4. Step 4: Simplify right side
    152,807,774.76x = 19,001,052,784,631,932
  5. Step 5: Solve for x
    x = 19,001,052,784,631,932/152,807,774.76
  6. Step 6: Final answer
    x = 124,346,112.72

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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.