Home / 93,636,018.40-140,454,027.60-78,519,474.40

Finding the Fourth Proportional to 93,636,018.40, 140,454,027.60 and 78,519,474.40

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Solution

The fourth proportional to 93,636,018.40, 140,454,027.60 and 78,519,474.40 is: 117,779,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,636,018.40 : 140,454,027.60 = 78,519,474.40 : x
  2. Step 2: Convert to fraction form
    93,636,018.40/140,454,027.60 = 78,519,474.40/x
  3. Step 3: Cross multiply
    93,636,018.40x = 140,454,027.60 × 78,519,474.40
  4. Step 4: Simplify right side
    93,636,018.40x = 11,028,376,424,515,094
  5. Step 5: Solve for x
    x = 11,028,376,424,515,094/93,636,018.40
  6. Step 6: Final answer
    x = 117,779,211.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.