Home / 147,431,085.60-221,146,628.40-118,733,271.60

Finding the Fourth Proportional to 147,431,085.60, 221,146,628.40 and 118,733,271.60

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Solution

The fourth proportional to 147,431,085.60, 221,146,628.40 and 118,733,271.60 is: 178,099,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,431,085.60 : 221,146,628.40 = 118,733,271.60 : x
  2. Step 2: Convert to fraction form
    147,431,085.60/221,146,628.40 = 118,733,271.60/x
  3. Step 3: Cross multiply
    147,431,085.60x = 221,146,628.40 × 118,733,271.60
  4. Step 4: Simplify right side
    147,431,085.60x = 26,257,462,693,241,472
  5. Step 5: Solve for x
    x = 26,257,462,693,241,472/147,431,085.60
  6. Step 6: Final answer
    x = 178,099,907.40

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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.