Home / 144,585,971.94-199,528,877.67-78,506,598

Finding the Fourth Proportional to 144,585,971.94, 199,528,877.67 and 78,506,598

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Solution

The fourth proportional to 144,585,971.94, 199,528,877.67 and 78,506,598 is: 108,339,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585,971.94 : 199,528,877.67 = 78,506,598 : x
  2. Step 2: Convert to fraction form
    144,585,971.94/199,528,877.67 = 78,506,598/x
  3. Step 3: Cross multiply
    144,585,971.94x = 199,528,877.67 × 78,506,598
  4. Step 4: Simplify right side
    144,585,971.94x = 15,664,333,388,629,866
  5. Step 5: Solve for x
    x = 15,664,333,388,629,866/144,585,971.94
  6. Step 6: Final answer
    x = 108,339,233.60

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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.