Home / 152,346,585.36-210,302,651.95-102,854,001.71

Finding the Fourth Proportional to 152,346,585.36, 210,302,651.95 and 102,854,001.71

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Solution

The fourth proportional to 152,346,585.36, 210,302,651.95 and 102,854,001.71 is: 141,981,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,346,585.36 : 210,302,651.95 = 102,854,001.71 : x
  2. Step 2: Convert to fraction form
    152,346,585.36/210,302,651.95 = 102,854,001.71/x
  3. Step 3: Cross multiply
    152,346,585.36x = 210,302,651.95 × 102,854,001.71
  4. Step 4: Simplify right side
    152,346,585.36x = 21,630,469,323,282,832
  5. Step 5: Solve for x
    x = 21,630,469,323,282,832/152,346,585.36
  6. Step 6: Final answer
    x = 141,981,976.64

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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.