Home / 228,656,007.42-342,810,450.81-117,872,297.70

Finding the Fourth Proportional to 228,656,007.42, 342,810,450.81 and 117,872,297.70

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Solution

The fourth proportional to 228,656,007.42, 342,810,450.81 and 117,872,297.70 is: 176,718,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,656,007.42 : 342,810,450.81 = 117,872,297.70 : x
  2. Step 2: Convert to fraction form
    228,656,007.42/342,810,450.81 = 117,872,297.70/x
  3. Step 3: Cross multiply
    228,656,007.42x = 342,810,450.81 × 117,872,297.70
  4. Step 4: Simplify right side
    228,656,007.42x = 40,407,855,512,547,528
  5. Step 5: Solve for x
    x = 40,407,855,512,547,528/228,656,007.42
  6. Step 6: Final answer
    x = 176,718,976.11

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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.