Home / 238,656,728.16-358,038,952.92-72,675,081.36

Finding the Fourth Proportional to 238,656,728.16, 358,038,952.92 and 72,675,081.36

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Solution

The fourth proportional to 238,656,728.16, 358,038,952.92 and 72,675,081.36 is: 109,029,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,656,728.16 : 358,038,952.92 = 72,675,081.36 : x
  2. Step 2: Convert to fraction form
    238,656,728.16/358,038,952.92 = 72,675,081.36/x
  3. Step 3: Cross multiply
    238,656,728.16x = 358,038,952.92 × 72,675,081.36
  4. Step 4: Simplify right side
    238,656,728.16x = 26,020,510,033,510,212
  5. Step 5: Solve for x
    x = 26,020,510,033,510,212/238,656,728.16
  6. Step 6: Final answer
    x = 109,029,023.54

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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.