Home / 313,444,877.20-470,167,315.80-83,437,212.40

Finding the Fourth Proportional to 313,444,877.20, 470,167,315.80 and 83,437,212.40

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Solution

The fourth proportional to 313,444,877.20, 470,167,315.80 and 83,437,212.40 is: 125,155,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,444,877.20 : 470,167,315.80 = 83,437,212.40 : x
  2. Step 2: Convert to fraction form
    313,444,877.20/470,167,315.80 = 83,437,212.40/x
  3. Step 3: Cross multiply
    313,444,877.20x = 470,167,315.80 × 83,437,212.40
  4. Step 4: Simplify right side
    313,444,877.20x = 39,229,450,191,942,480
  5. Step 5: Solve for x
    x = 39,229,450,191,942,480/313,444,877.20
  6. Step 6: Final answer
    x = 125,155,818.60

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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.