Home / 81,341,113.38-122,012,661.51-23,834,547.78

Finding the Fourth Proportional to 81,341,113.38, 122,012,661.51 and 23,834,547.78

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Solution

The fourth proportional to 81,341,113.38, 122,012,661.51 and 23,834,547.78 is: 35,752,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,341,113.38 : 122,012,661.51 = 23,834,547.78 : x
  2. Step 2: Convert to fraction form
    81,341,113.38/122,012,661.51 = 23,834,547.78/x
  3. Step 3: Cross multiply
    81,341,113.38x = 122,012,661.51 × 23,834,547.78
  4. Step 4: Simplify right side
    81,341,113.38x = 2,908,116,610,525,062
  5. Step 5: Solve for x
    x = 2,908,116,610,525,062/81,341,113.38
  6. Step 6: Final answer
    x = 35,752,112.18

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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.