Home / 102,668,494-141,682,521.72-59,208,430

Finding the Fourth Proportional to 102,668,494, 141,682,521.72 and 59,208,430

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Solution

The fourth proportional to 102,668,494, 141,682,521.72 and 59,208,430 is: 81,707,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,668,494 : 141,682,521.72 = 59,208,430 : x
  2. Step 2: Convert to fraction form
    102,668,494/141,682,521.72 = 59,208,430/x
  3. Step 3: Cross multiply
    102,668,494x = 141,682,521.72 × 59,208,430
  4. Step 4: Simplify right side
    102,668,494x = 8,388,799,669,482,100
  5. Step 5: Solve for x
    x = 8,388,799,669,482,100/102,668,494
  6. Step 6: Final answer
    x = 81,707,633.40

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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.