Home / 315,473,442.84-435,330,543.09-174,342,974.43

Finding the Fourth Proportional to 315,473,442.84, 435,330,543.09 and 174,342,974.43

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Solution

The fourth proportional to 315,473,442.84, 435,330,543.09 and 174,342,974.43 is: 240,580,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,473,442.84 : 435,330,543.09 = 174,342,974.43 : x
  2. Step 2: Convert to fraction form
    315,473,442.84/435,330,543.09 = 174,342,974.43/x
  3. Step 3: Cross multiply
    315,473,442.84x = 435,330,543.09 × 174,342,974.43
  4. Step 4: Simplify right side
    315,473,442.84x = 75,896,821,742,537,888
  5. Step 5: Solve for x
    x = 75,896,821,742,537,888/315,473,442.84
  6. Step 6: Final answer
    x = 240,580,700.10

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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.