Home / 111,735,830.19-154,108,091.63-72,590,219.65

Finding the Fourth Proportional to 111,735,830.19, 154,108,091.63 and 72,590,219.65

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Solution

The fourth proportional to 111,735,830.19, 154,108,091.63 and 72,590,219.65 is: 100,117,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,735,830.19 : 154,108,091.63 = 72,590,219.65 : x
  2. Step 2: Convert to fraction form
    111,735,830.19/154,108,091.63 = 72,590,219.65/x
  3. Step 3: Cross multiply
    111,735,830.19x = 154,108,091.63 × 72,590,219.65
  4. Step 4: Simplify right side
    111,735,830.19x = 11,186,740,221,638,446
  5. Step 5: Solve for x
    x = 11,186,740,221,638,446/111,735,830.19
  6. Step 6: Final answer
    x = 100,117,752.76

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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.