Home / 130,246,624.52-195,328,457.58-42,787,840.49

Finding the Fourth Proportional to 130,246,624.52, 195,328,457.58 and 42,787,840.49

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Solution

The fourth proportional to 130,246,624.52, 195,328,457.58 and 42,787,840.49 is: 64,168,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,246,624.52 : 195,328,457.58 = 42,787,840.49 : x
  2. Step 2: Convert to fraction form
    130,246,624.52/195,328,457.58 = 42,787,840.49/x
  3. Step 3: Cross multiply
    130,246,624.52x = 195,328,457.58 × 42,787,840.49
  4. Step 4: Simplify right side
    130,246,624.52x = 8,357,682,886,007,066
  5. Step 5: Solve for x
    x = 8,357,682,886,007,066/130,246,624.52
  6. Step 6: Final answer
    x = 64,168,134.24

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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.