Home / 72,483,938.06-100,029,038.46-39,445,579.69

Finding the Fourth Proportional to 72,483,938.06, 100,029,038.46 and 39,445,579.69

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Solution

The fourth proportional to 72,483,938.06, 100,029,038.46 and 39,445,579.69 is: 54,435,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,483,938.06 : 100,029,038.46 = 39,445,579.69 : x
  2. Step 2: Convert to fraction form
    72,483,938.06/100,029,038.46 = 39,445,579.69/x
  3. Step 3: Cross multiply
    72,483,938.06x = 100,029,038.46 × 39,445,579.69
  4. Step 4: Simplify right side
    72,483,938.06x = 3,945,703,408,048,595.50
  5. Step 5: Solve for x
    x = 3,945,703,408,048,595.50/72,483,938.06
  6. Step 6: Final answer
    x = 54,435,555.16

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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.