Home / 78,535,958.84-117,516,956.83-46,203,088.40

Finding the Fourth Proportional to 78,535,958.84, 117,516,956.83 and 46,203,088.40

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Solution

The fourth proportional to 78,535,958.84, 117,516,956.83 and 46,203,088.40 is: 69,135,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,535,958.84 : 117,516,956.83 = 46,203,088.40 : x
  2. Step 2: Convert to fraction form
    78,535,958.84/117,516,956.83 = 46,203,088.40/x
  3. Step 3: Cross multiply
    78,535,958.84x = 117,516,956.83 × 46,203,088.40
  4. Step 4: Simplify right side
    78,535,958.84x = 5,429,646,344,653,070
  5. Step 5: Solve for x
    x = 5,429,646,344,653,070/78,535,958.84
  6. Step 6: Final answer
    x = 69,135,800.02

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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.