Home / 76,871,546.36-105,986,506.58-64,159,505.28

Finding the Fourth Proportional to 76,871,546.36, 105,986,506.58 and 64,159,505.28

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Solution

The fourth proportional to 76,871,546.36, 105,986,506.58 and 64,159,505.28 is: 88,459,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,871,546.36 : 105,986,506.58 = 64,159,505.28 : x
  2. Step 2: Convert to fraction form
    76,871,546.36/105,986,506.58 = 64,159,505.28/x
  3. Step 3: Cross multiply
    76,871,546.36x = 105,986,506.58 × 64,159,505.28
  4. Step 4: Simplify right side
    76,871,546.36x = 6,800,041,828,528,265
  5. Step 5: Solve for x
    x = 6,800,041,828,528,265/76,871,546.36
  6. Step 6: Final answer
    x = 88,459,802.76

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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.