Home / 102,956,545.32-142,045,464.06-58,296,425.40

Finding the Fourth Proportional to 102,956,545.32, 142,045,464.06 and 58,296,425.40

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Solution

The fourth proportional to 102,956,545.32, 142,045,464.06 and 58,296,425.40 is: 80,429,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,956,545.32 : 142,045,464.06 = 58,296,425.40 : x
  2. Step 2: Convert to fraction form
    102,956,545.32/142,045,464.06 = 58,296,425.40/x
  3. Step 3: Cross multiply
    102,956,545.32x = 142,045,464.06 × 58,296,425.40
  4. Step 4: Simplify right side
    102,956,545.32x = 8,280,742,798,982,171
  5. Step 5: Solve for x
    x = 8,280,742,798,982,171/102,956,545.32
  6. Step 6: Final answer
    x = 80,429,493.56

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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.