Home / 291,528,033.40-437,460,011.70-109,905,556.60

Finding the Fourth Proportional to 291,528,033.40, 437,460,011.70 and 109,905,556.60

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Solution

The fourth proportional to 291,528,033.40, 437,460,011.70 and 109,905,556.60 is: 164,921,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,528,033.40 : 437,460,011.70 = 109,905,556.60 : x
  2. Step 2: Convert to fraction form
    291,528,033.40/437,460,011.70 = 109,905,556.60/x
  3. Step 3: Cross multiply
    291,528,033.40x = 437,460,011.70 × 109,905,556.60
  4. Step 4: Simplify right side
    291,528,033.40x = 48,079,286,076,131,008
  5. Step 5: Solve for x
    x = 48,079,286,076,131,008/291,528,033.40
  6. Step 6: Final answer
    x = 164,921,656.13

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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.