Home / 291,046,009.60-436,629,667.20-97,017,702.40

Finding the Fourth Proportional to 291,046,009.60, 436,629,667.20 and 97,017,702.40

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Solution

The fourth proportional to 291,046,009.60, 436,629,667.20 and 97,017,702.40 is: 145,546,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,046,009.60 : 436,629,667.20 = 97,017,702.40 : x
  2. Step 2: Convert to fraction form
    291,046,009.60/436,629,667.20 = 97,017,702.40/x
  3. Step 3: Cross multiply
    291,046,009.60x = 436,629,667.20 × 97,017,702.40
  4. Step 4: Simplify right side
    291,046,009.60x = 42,360,807,111,420,640
  5. Step 5: Solve for x
    x = 42,360,807,111,420,640/291,046,009.60
  6. Step 6: Final answer
    x = 145,546,771.69

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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.