Home / 74,179,704.90-102,354,457.27-42,806,308.42

Finding the Fourth Proportional to 74,179,704.90, 102,354,457.27 and 42,806,308.42

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Solution

The fourth proportional to 74,179,704.90, 102,354,457.27 and 42,806,308.42 is: 59,064,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179,704.90 : 102,354,457.27 = 42,806,308.42 : x
  2. Step 2: Convert to fraction form
    74,179,704.90/102,354,457.27 = 42,806,308.42/x
  3. Step 3: Cross multiply
    74,179,704.90x = 102,354,457.27 × 42,806,308.42
  4. Step 4: Simplify right side
    74,179,704.90x = 4,381,416,466,061,331
  5. Step 5: Solve for x
    x = 4,381,416,466,061,331/74,179,704.90
  6. Step 6: Final answer
    x = 59,064,894.80

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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.