Home / 311,040,656.64-429,249,146.45-178,881,756.35

Finding the Fourth Proportional to 311,040,656.64, 429,249,146.45 and 178,881,756.35

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Solution

The fourth proportional to 311,040,656.64, 429,249,146.45 and 178,881,756.35 is: 246,864,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,040,656.64 : 429,249,146.45 = 178,881,756.35 : x
  2. Step 2: Convert to fraction form
    311,040,656.64/429,249,146.45 = 178,881,756.35/x
  3. Step 3: Cross multiply
    311,040,656.64x = 429,249,146.45 × 178,881,756.35
  4. Step 4: Simplify right side
    311,040,656.64x = 76,784,841,225,673,712
  5. Step 5: Solve for x
    x = 76,784,841,225,673,712/311,040,656.64
  6. Step 6: Final answer
    x = 246,864,323.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.