Home / 112,370,320.80-168,566,707.80-30,490,498.80

Finding the Fourth Proportional to 112,370,320.80, 168,566,707.80 and 30,490,498.80

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Solution

The fourth proportional to 112,370,320.80, 168,566,707.80 and 30,490,498.80 is: 45,738,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,370,320.80 : 168,566,707.80 = 30,490,498.80 : x
  2. Step 2: Convert to fraction form
    112,370,320.80/168,566,707.80 = 30,490,498.80/x
  3. Step 3: Cross multiply
    112,370,320.80x = 168,566,707.80 × 30,490,498.80
  4. Step 4: Simplify right side
    112,370,320.80x = 5,139,683,001,895,851
  5. Step 5: Solve for x
    x = 5,139,683,001,895,851/112,370,320.80
  6. Step 6: Final answer
    x = 45,738,794.42

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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.