Home / 112,370,323.80-168,566,712.30-30,490,501.80

Finding the Fourth Proportional to 112,370,323.80, 168,566,712.30 and 30,490,501.80

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Solution

The fourth proportional to 112,370,323.80, 168,566,712.30 and 30,490,501.80 is: 45,738,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,370,323.80 : 168,566,712.30 = 30,490,501.80 : x
  2. Step 2: Convert to fraction form
    112,370,323.80/168,566,712.30 = 30,490,501.80/x
  3. Step 3: Cross multiply
    112,370,323.80x = 168,566,712.30 × 30,490,501.80
  4. Step 4: Simplify right side
    112,370,323.80x = 5,139,683,644,803,233
  5. Step 5: Solve for x
    x = 5,139,683,644,803,233/112,370,323.80
  6. Step 6: Final answer
    x = 45,738,798.92

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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.