Home / 122,572,890.90-183,859,336.35-100,653,902.10

Finding the Fourth Proportional to 122,572,890.90, 183,859,336.35 and 100,653,902.10

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Solution

The fourth proportional to 122,572,890.90, 183,859,336.35 and 100,653,902.10 is: 150,980,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,572,890.90 : 183,859,336.35 = 100,653,902.10 : x
  2. Step 2: Convert to fraction form
    122,572,890.90/183,859,336.35 = 100,653,902.10/x
  3. Step 3: Cross multiply
    122,572,890.90x = 183,859,336.35 × 100,653,902.10
  4. Step 4: Simplify right side
    122,572,890.90x = 18,506,159,641,143,868
  5. Step 5: Solve for x
    x = 18,506,159,641,143,868/122,572,890.90
  6. Step 6: Final answer
    x = 150,980,853.15

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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.