Home / 137,931,912.48-190,354,535.40-76,052,059.68

Finding the Fourth Proportional to 137,931,912.48, 190,354,535.40 and 76,052,059.68

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Solution

The fourth proportional to 137,931,912.48, 190,354,535.40 and 76,052,059.68 is: 104,956,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,931,912.48 : 190,354,535.40 = 76,052,059.68 : x
  2. Step 2: Convert to fraction form
    137,931,912.48/190,354,535.40 = 76,052,059.68/x
  3. Step 3: Cross multiply
    137,931,912.48x = 190,354,535.40 × 76,052,059.68
  4. Step 4: Simplify right side
    137,931,912.48x = 14,476,854,486,599,474
  5. Step 5: Solve for x
    x = 14,476,854,486,599,474/137,931,912.48
  6. Step 6: Final answer
    x = 104,956,526.93

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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.