Home / 141,064,886.81-194,651,916.28-78,332,455.45

Finding the Fourth Proportional to 141,064,886.81, 194,651,916.28 and 78,332,455.45

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Solution

The fourth proportional to 141,064,886.81, 194,651,916.28 and 78,332,455.45 is: 108,089,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,064,886.81 : 194,651,916.28 = 78,332,455.45 : x
  2. Step 2: Convert to fraction form
    141,064,886.81/194,651,916.28 = 78,332,455.45/x
  3. Step 3: Cross multiply
    141,064,886.81x = 194,651,916.28 × 78,332,455.45
  4. Step 4: Simplify right side
    141,064,886.81x = 15,247,562,560,307,714
  5. Step 5: Solve for x
    x = 15,247,562,560,307,714/141,064,886.81
  6. Step 6: Final answer
    x = 108,089,000.07

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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.