Home / 98,423,441.60-147,634,384.80-25,640,081.60

Finding the Fourth Proportional to 98,423,441.60, 147,634,384.80 and 25,640,081.60

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Solution

The fourth proportional to 98,423,441.60, 147,634,384.80 and 25,640,081.60 is: 38,459,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,423,441.60 : 147,634,384.80 = 25,640,081.60 : x
  2. Step 2: Convert to fraction form
    98,423,441.60/147,634,384.80 = 25,640,081.60/x
  3. Step 3: Cross multiply
    98,423,441.60x = 147,634,384.80 × 25,640,081.60
  4. Step 4: Simplify right side
    98,423,441.60x = 3,785,357,673,237,800
  5. Step 5: Solve for x
    x = 3,785,357,673,237,800/98,423,441.60
  6. Step 6: Final answer
    x = 38,459,919.83

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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.