Home / 117,420,001.20-176,130,001.80-74,054,415.60

Finding the Fourth Proportional to 117,420,001.20, 176,130,001.80 and 74,054,415.60

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Solution

The fourth proportional to 117,420,001.20, 176,130,001.80 and 74,054,415.60 is: 111,081,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420,001.20 : 176,130,001.80 = 74,054,415.60 : x
  2. Step 2: Convert to fraction form
    117,420,001.20/176,130,001.80 = 74,054,415.60/x
  3. Step 3: Cross multiply
    117,420,001.20x = 176,130,001.80 × 74,054,415.60
  4. Step 4: Simplify right side
    117,420,001.20x = 13,043,204,352,925,948
  5. Step 5: Solve for x
    x = 13,043,204,352,925,948/117,420,001.20
  6. Step 6: Final answer
    x = 111,081,623.40

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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.