Home / 110,549,485.20-165,824,227.80-53,012,139.60

Finding the Fourth Proportional to 110,549,485.20, 165,824,227.80 and 53,012,139.60

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Solution

The fourth proportional to 110,549,485.20, 165,824,227.80 and 53,012,139.60 is: 79,518,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,549,485.20 : 165,824,227.80 = 53,012,139.60 : x
  2. Step 2: Convert to fraction form
    110,549,485.20/165,824,227.80 = 53,012,139.60/x
  3. Step 3: Cross multiply
    110,549,485.20x = 165,824,227.80 × 53,012,139.60
  4. Step 4: Simplify right side
    110,549,485.20x = 8,790,697,113,195,802
  5. Step 5: Solve for x
    x = 8,790,697,113,195,802/110,549,485.20
  6. Step 6: Final answer
    x = 79,518,209.40

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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.