Home / 113,013,472-155,949,045.09-68,376,075.04

Finding the Fourth Proportional to 113,013,472, 155,949,045.09 and 68,376,075.04

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Solution

The fourth proportional to 113,013,472, 155,949,045.09 and 68,376,075.04 is: 94,353,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013,472 : 155,949,045.09 = 68,376,075.04 : x
  2. Step 2: Convert to fraction form
    113,013,472/155,949,045.09 = 68,376,075.04/x
  3. Step 3: Cross multiply
    113,013,472x = 155,949,045.09 × 68,376,075.04
  4. Step 4: Simplify right side
    113,013,472x = 10,663,183,609,490,184
  5. Step 5: Solve for x
    x = 10,663,183,609,490,184/113,013,472
  6. Step 6: Final answer
    x = 94,353,207.81

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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.