Home / 313,444,859.70-470,167,289.55-83,437,194.90

Finding the Fourth Proportional to 313,444,859.70, 470,167,289.55 and 83,437,194.90

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Solution

The fourth proportional to 313,444,859.70, 470,167,289.55 and 83,437,194.90 is: 125,155,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,444,859.70 : 470,167,289.55 = 83,437,194.90 : x
  2. Step 2: Convert to fraction form
    313,444,859.70/470,167,289.55 = 83,437,194.90/x
  3. Step 3: Cross multiply
    313,444,859.70x = 470,167,289.55 × 83,437,194.90
  4. Step 4: Simplify right side
    313,444,859.70x = 39,229,439,773,788,088
  5. Step 5: Solve for x
    x = 39,229,439,773,788,088/313,444,859.70
  6. Step 6: Final answer
    x = 125,155,792.35

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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.