Home / 141,064,962.55-194,676,112.40-78,341,337.41

Finding the Fourth Proportional to 141,064,962.55, 194,676,112.40 and 78,341,337.41

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Solution

The fourth proportional to 141,064,962.55, 194,676,112.40 and 78,341,337.41 is: 108,114,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,064,962.55 : 194,676,112.40 = 78,341,337.41 : x
  2. Step 2: Convert to fraction form
    141,064,962.55/194,676,112.40 = 78,341,337.41/x
  3. Step 3: Cross multiply
    141,064,962.55x = 194,676,112.40 × 78,341,337.41
  4. Step 4: Simplify right side
    141,064,962.55x = 15,251,187,005,830,398
  5. Step 5: Solve for x
    x = 15,251,187,005,830,398/141,064,962.55
  6. Step 6: Final answer
    x = 108,114,635.49

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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.