Home / 116,338,522.38-160,547,121.75-64,128,429.96

Finding the Fourth Proportional to 116,338,522.38, 160,547,121.75 and 64,128,429.96

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Solution

The fourth proportional to 116,338,522.38, 160,547,121.75 and 64,128,429.96 is: 88,497,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,338,522.38 : 160,547,121.75 = 64,128,429.96 : x
  2. Step 2: Convert to fraction form
    116,338,522.38/160,547,121.75 = 64,128,429.96/x
  3. Step 3: Cross multiply
    116,338,522.38x = 160,547,121.75 × 64,128,429.96
  4. Step 4: Simplify right side
    116,338,522.38x = 10,295,634,852,424,468
  5. Step 5: Solve for x
    x = 10,295,634,852,424,468/116,338,522.38
  6. Step 6: Final answer
    x = 88,497,211.77

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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.