Home / 102,891,354,284.37-154,319,913,128.37-31,163,814,871.26

Finding the Fourth Proportional to 102,891,354,284.37, 154,319,913,128.37 and 31,163,814,871.26

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Solution

The fourth proportional to 102,891,354,284.37, 154,319,913,128.37 and 31,163,814,871.26 is: 46,740,537,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,891,354,284.37 : 154,319,913,128.37 = 31,163,814,871.26 : x
  2. Step 2: Convert to fraction form
    102,891,354,284.37/154,319,913,128.37 = 31,163,814,871.26/x
  3. Step 3: Cross multiply
    102,891,354,284.37x = 154,319,913,128.37 × 31,163,814,871.26
  4. Step 4: Simplify right side
    102,891,354,284.37x = 4,809,197,203,681,448,034,304
  5. Step 5: Solve for x
    x = 4,809,197,203,681,448,034,304/102,891,354,284.37
  6. Step 6: Final answer
    x = 46,740,537,503.18

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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.