Home / 112,020,181.20-168,030,271.80-98,583,253.20

Finding the Fourth Proportional to 112,020,181.20, 168,030,271.80 and 98,583,253.20

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Solution

The fourth proportional to 112,020,181.20, 168,030,271.80 and 98,583,253.20 is: 147,874,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020,181.20 : 168,030,271.80 = 98,583,253.20 : x
  2. Step 2: Convert to fraction form
    112,020,181.20/168,030,271.80 = 98,583,253.20/x
  3. Step 3: Cross multiply
    112,020,181.20x = 168,030,271.80 × 98,583,253.20
  4. Step 4: Simplify right side
    112,020,181.20x = 16,564,970,830,124,222
  5. Step 5: Solve for x
    x = 16,564,970,830,124,222/112,020,181.20
  6. Step 6: Final answer
    x = 147,874,879.80

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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.