Home / 505,089,346.80-757,492,302.60-160,148,708.40

Finding the Fourth Proportional to 505,089,346.80, 757,492,302.60 and 160,148,708.40

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Solution

The fourth proportional to 505,089,346.80, 757,492,302.60 and 160,148,708.40 is: 240,178,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,089,346.80 : 757,492,302.60 = 160,148,708.40 : x
  2. Step 2: Convert to fraction form
    505,089,346.80/757,492,302.60 = 160,148,708.40/x
  3. Step 3: Cross multiply
    505,089,346.80x = 757,492,302.60 × 160,148,708.40
  4. Step 4: Simplify right side
    505,089,346.80x = 121,311,413,884,331,968
  5. Step 5: Solve for x
    x = 121,311,413,884,331,968/505,089,346.80
  6. Step 6: Final answer
    x = 240,178,128.19

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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.