Home / 118,779,246.40-178,168,869.60-104,418,529.60

Finding the Fourth Proportional to 118,779,246.40, 178,168,869.60 and 104,418,529.60

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Solution

The fourth proportional to 118,779,246.40, 178,168,869.60 and 104,418,529.60 is: 156,627,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,779,246.40 : 178,168,869.60 = 104,418,529.60 : x
  2. Step 2: Convert to fraction form
    118,779,246.40/178,168,869.60 = 104,418,529.60/x
  3. Step 3: Cross multiply
    118,779,246.40x = 178,168,869.60 × 104,418,529.60
  4. Step 4: Simplify right side
    118,779,246.40x = 18,604,131,384,126,140
  5. Step 5: Solve for x
    x = 18,604,131,384,126,140/118,779,246.40
  6. Step 6: Final answer
    x = 156,627,794.40

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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.