Home / 102,891,354,291.84-154,319,913,139.56-31,163,814,878.76

Finding the Fourth Proportional to 102,891,354,291.84, 154,319,913,139.56 and 31,163,814,878.76

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Solution

The fourth proportional to 102,891,354,291.84, 154,319,913,139.56 and 31,163,814,878.76 is: 46,740,537,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,891,354,291.84 : 154,319,913,139.56 = 31,163,814,878.76 : x
  2. Step 2: Convert to fraction form
    102,891,354,291.84/154,319,913,139.56 = 31,163,814,878.76/x
  3. Step 3: Cross multiply
    102,891,354,291.84x = 154,319,913,139.56 × 31,163,814,878.76
  4. Step 4: Simplify right side
    102,891,354,291.84x = 4,809,197,205,187,570,171,904
  5. Step 5: Solve for x
    x = 4,809,197,205,187,570,171,904/102,891,354,291.84
  6. Step 6: Final answer
    x = 46,740,537,514.42

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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.