Home / 240,386,975.63-358,559,378.98-218,318,805.07

Finding the Fourth Proportional to 240,386,975.63, 358,559,378.98 and 218,318,805.07

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Solution

The fourth proportional to 240,386,975.63, 358,559,378.98 and 218,318,805.07 is: 325,642,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,386,975.63 : 358,559,378.98 = 218,318,805.07 : x
  2. Step 2: Convert to fraction form
    240,386,975.63/358,559,378.98 = 218,318,805.07/x
  3. Step 3: Cross multiply
    240,386,975.63x = 358,559,378.98 × 218,318,805.07
  4. Step 4: Simplify right side
    240,386,975.63x = 78,280,255,165,554,880
  5. Step 5: Solve for x
    x = 78,280,255,165,554,880/240,386,975.63
  6. Step 6: Final answer
    x = 325,642,664.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.