Home / 117,452,189.60-176,178,284.40-87,219,101.60

Finding the Fourth Proportional to 117,452,189.60, 176,178,284.40 and 87,219,101.60

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Solution

The fourth proportional to 117,452,189.60, 176,178,284.40 and 87,219,101.60 is: 130,828,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452,189.60 : 176,178,284.40 = 87,219,101.60 : x
  2. Step 2: Convert to fraction form
    117,452,189.60/176,178,284.40 = 87,219,101.60/x
  3. Step 3: Cross multiply
    117,452,189.60x = 176,178,284.40 × 87,219,101.60
  4. Step 4: Simplify right side
    117,452,189.60x = 15,366,111,686,797,294
  5. Step 5: Solve for x
    x = 15,366,111,686,797,294/117,452,189.60
  6. Step 6: Final answer
    x = 130,828,652.40

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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.