Home / 76,742,732.95-105,905,246.88-41,935,423.58

Finding the Fourth Proportional to 76,742,732.95, 105,905,246.88 and 41,935,423.58

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Solution

The fourth proportional to 76,742,732.95, 105,905,246.88 and 41,935,423.58 is: 57,871,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,742,732.95 : 105,905,246.88 = 41,935,423.58 : x
  2. Step 2: Convert to fraction form
    76,742,732.95/105,905,246.88 = 41,935,423.58/x
  3. Step 3: Cross multiply
    76,742,732.95x = 105,905,246.88 × 41,935,423.58
  4. Step 4: Simplify right side
    76,742,732.95x = 4,441,181,387,282,150
  5. Step 5: Solve for x
    x = 4,441,181,387,282,150/76,742,732.95
  6. Step 6: Final answer
    x = 57,871,035.04

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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.