Home / 268,985,138.40-403,477,707.60-160,146,021.60

Finding the Fourth Proportional to 268,985,138.40, 403,477,707.60 and 160,146,021.60

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Solution

The fourth proportional to 268,985,138.40, 403,477,707.60 and 160,146,021.60 is: 240,219,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,985,138.40 : 403,477,707.60 = 160,146,021.60 : x
  2. Step 2: Convert to fraction form
    268,985,138.40/403,477,707.60 = 160,146,021.60/x
  3. Step 3: Cross multiply
    268,985,138.40x = 403,477,707.60 × 160,146,021.60
  4. Step 4: Simplify right side
    268,985,138.40x = 64,615,349,676,428,088
  5. Step 5: Solve for x
    x = 64,615,349,676,428,088/268,985,138.40
  6. Step 6: Final answer
    x = 240,219,032.40

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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.