Home / 76,742,966.28-105,905,568.42-41,935,656.36

Finding the Fourth Proportional to 76,742,966.28, 105,905,568.42 and 41,935,656.36

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Solution

The fourth proportional to 76,742,966.28, 105,905,568.42 and 41,935,656.36 is: 57,871,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,742,966.28 : 105,905,568.42 = 41,935,656.36 : x
  2. Step 2: Convert to fraction form
    76,742,966.28/105,905,568.42 = 41,935,656.36/x
  3. Step 3: Cross multiply
    76,742,966.28x = 105,905,568.42 × 41,935,656.36
  4. Step 4: Simplify right side
    76,742,966.28x = 4,441,219,523,871,588
  5. Step 5: Solve for x
    x = 4,441,219,523,871,588/76,742,966.28
  6. Step 6: Final answer
    x = 57,871,356.02

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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.