Home / 144,925,711.20-217,388,566.80-99,009,208.80

Finding the Fourth Proportional to 144,925,711.20, 217,388,566.80 and 99,009,208.80

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Solution

The fourth proportional to 144,925,711.20, 217,388,566.80 and 99,009,208.80 is: 148,513,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,925,711.20 : 217,388,566.80 = 99,009,208.80 : x
  2. Step 2: Convert to fraction form
    144,925,711.20/217,388,566.80 = 99,009,208.80/x
  3. Step 3: Cross multiply
    144,925,711.20x = 217,388,566.80 × 99,009,208.80
  4. Step 4: Simplify right side
    144,925,711.20x = 21,523,470,001,033,948
  5. Step 5: Solve for x
    x = 21,523,470,001,033,948/144,925,711.20
  6. Step 6: Final answer
    x = 148,513,813.20

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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.