Home / 292,509,117.60-438,763,676.40-120,109,657.20

Finding the Fourth Proportional to 292,509,117.60, 438,763,676.40 and 120,109,657.20

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Solution

The fourth proportional to 292,509,117.60, 438,763,676.40 and 120,109,657.20 is: 180,164,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,509,117.60 : 438,763,676.40 = 120,109,657.20 : x
  2. Step 2: Convert to fraction form
    292,509,117.60/438,763,676.40 = 120,109,657.20/x
  3. Step 3: Cross multiply
    292,509,117.60x = 438,763,676.40 × 120,109,657.20
  4. Step 4: Simplify right side
    292,509,117.60x = 52,699,754,764,215,728
  5. Step 5: Solve for x
    x = 52,699,754,764,215,728/292,509,117.60
  6. Step 6: Final answer
    x = 180,164,485.80

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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.