Home / 147,546,124.40-221,460,904.20-74,844,995.60

Finding the Fourth Proportional to 147,546,124.40, 221,460,904.20 and 74,844,995.60

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Solution

The fourth proportional to 147,546,124.40, 221,460,904.20 and 74,844,995.60 is: 112,339,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,546,124.40 : 221,460,904.20 = 74,844,995.60 : x
  2. Step 2: Convert to fraction form
    147,546,124.40/221,460,904.20 = 74,844,995.60/x
  3. Step 3: Cross multiply
    147,546,124.40x = 221,460,904.20 × 74,844,995.60
  4. Step 4: Simplify right side
    147,546,124.40x = 16,575,240,400,421,020
  5. Step 5: Solve for x
    x = 16,575,240,400,421,020/147,546,124.40
  6. Step 6: Final answer
    x = 112,339,381.79

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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.