Home / 113,552,014.40-170,328,021.60-112,357,620.80

Finding the Fourth Proportional to 113,552,014.40, 170,328,021.60 and 112,357,620.80

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Solution

The fourth proportional to 113,552,014.40, 170,328,021.60 and 112,357,620.80 is: 168,536,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,552,014.40 : 170,328,021.60 = 112,357,620.80 : x
  2. Step 2: Convert to fraction form
    113,552,014.40/170,328,021.60 = 112,357,620.80/x
  3. Step 3: Cross multiply
    113,552,014.40x = 170,328,021.60 × 112,357,620.80
  4. Step 4: Simplify right side
    113,552,014.40x = 19,137,651,262,547,008
  5. Step 5: Solve for x
    x = 19,137,651,262,547,008/113,552,014.40
  6. Step 6: Final answer
    x = 168,536,431.20

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1.5x scale

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.