Home / 102,891,354,284.62-154,319,913,128.74-31,163,814,871.51

Finding the Fourth Proportional to 102,891,354,284.62, 154,319,913,128.74 and 31,163,814,871.51

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Solution

The fourth proportional to 102,891,354,284.62, 154,319,913,128.74 and 31,163,814,871.51 is: 46,740,537,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,891,354,284.62 : 154,319,913,128.74 = 31,163,814,871.51 : x
  2. Step 2: Convert to fraction form
    102,891,354,284.62/154,319,913,128.74 = 31,163,814,871.51/x
  3. Step 3: Cross multiply
    102,891,354,284.62x = 154,319,913,128.74 × 31,163,814,871.51
  4. Step 4: Simplify right side
    102,891,354,284.62x = 4,809,197,203,731,558,432,768
  5. Step 5: Solve for x
    x = 4,809,197,203,731,558,432,768/102,891,354,284.62
  6. Step 6: Final answer
    x = 46,740,537,503.55

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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.