Home / 313,444,927.20-470,167,390.80-83,437,262.40

Finding the Fourth Proportional to 313,444,927.20, 470,167,390.80 and 83,437,262.40

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Solution

The fourth proportional to 313,444,927.20, 470,167,390.80 and 83,437,262.40 is: 125,155,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,444,927.20 : 470,167,390.80 = 83,437,262.40 : x
  2. Step 2: Convert to fraction form
    313,444,927.20/470,167,390.80 = 83,437,262.40/x
  3. Step 3: Cross multiply
    313,444,927.20x = 470,167,390.80 × 83,437,262.40
  4. Step 4: Simplify right side
    313,444,927.20x = 39,229,479,958,102,952
  5. Step 5: Solve for x
    x = 39,229,479,958,102,952/313,444,927.20
  6. Step 6: Final answer
    x = 125,155,893.60

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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.