Home / 40,128,279.60-60,192,419.40-28,874,852.40

Finding the Fourth Proportional to 40,128,279.60, 60,192,419.40 and 28,874,852.40

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Solution

The fourth proportional to 40,128,279.60, 60,192,419.40 and 28,874,852.40 is: 43,312,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,279.60 : 60,192,419.40 = 28,874,852.40 : x
  2. Step 2: Convert to fraction form
    40,128,279.60/60,192,419.40 = 28,874,852.40/x
  3. Step 3: Cross multiply
    40,128,279.60x = 60,192,419.40 × 28,874,852.40
  4. Step 4: Simplify right side
    40,128,279.60x = 1,738,047,225,773,896.50
  5. Step 5: Solve for x
    x = 1,738,047,225,773,896.50/40,128,279.60
  6. Step 6: Final answer
    x = 43,312,278.60

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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.