Home / 82,944,048.10-124,416,072.15-77,901,052.90

Finding the Fourth Proportional to 82,944,048.10, 124,416,072.15 and 77,901,052.90

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Solution

The fourth proportional to 82,944,048.10, 124,416,072.15 and 77,901,052.90 is: 116,851,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,048.10 : 124,416,072.15 = 77,901,052.90 : x
  2. Step 2: Convert to fraction form
    82,944,048.10/124,416,072.15 = 77,901,052.90/x
  3. Step 3: Cross multiply
    82,944,048.10x = 124,416,072.15 × 77,901,052.90
  4. Step 4: Simplify right side
    82,944,048.10x = 9,692,143,018,167,368
  5. Step 5: Solve for x
    x = 9,692,143,018,167,368/82,944,048.10
  6. Step 6: Final answer
    x = 116,851,579.35

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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.