Home / 103,068,181.90-142,237,554.60-60,674,091.76

Finding the Fourth Proportional to 103,068,181.90, 142,237,554.60 and 60,674,091.76

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Solution

The fourth proportional to 103,068,181.90, 142,237,554.60 and 60,674,091.76 is: 83,732,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,068,181.90 : 142,237,554.60 = 60,674,091.76 : x
  2. Step 2: Convert to fraction form
    103,068,181.90/142,237,554.60 = 60,674,091.76/x
  3. Step 3: Cross multiply
    103,068,181.90x = 142,237,554.60 × 60,674,091.76
  4. Step 4: Simplify right side
    103,068,181.90x = 8,630,134,439,518,409
  5. Step 5: Solve for x
    x = 8,630,134,439,518,409/103,068,181.90
  6. Step 6: Final answer
    x = 83,732,285.57

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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.