Home / 147,535,610.40-221,303,415.60-74,976,199.20

Finding the Fourth Proportional to 147,535,610.40, 221,303,415.60 and 74,976,199.20

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Solution

The fourth proportional to 147,535,610.40, 221,303,415.60 and 74,976,199.20 is: 112,464,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,535,610.40 : 221,303,415.60 = 74,976,199.20 : x
  2. Step 2: Convert to fraction form
    147,535,610.40/221,303,415.60 = 74,976,199.20/x
  3. Step 3: Cross multiply
    147,535,610.40x = 221,303,415.60 × 74,976,199.20
  4. Step 4: Simplify right side
    147,535,610.40x = 16,592,488,971,665,988
  5. Step 5: Solve for x
    x = 16,592,488,971,665,988/147,535,610.40
  6. Step 6: Final answer
    x = 112,464,298.80

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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.