Home / 102,891,354,284.12-154,319,913,127.99-31,163,814,871.01

Finding the Fourth Proportional to 102,891,354,284.12, 154,319,913,127.99 and 31,163,814,871.01

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Solution

The fourth proportional to 102,891,354,284.12, 154,319,913,127.99 and 31,163,814,871.01 is: 46,740,537,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,891,354,284.12 : 154,319,913,127.99 = 31,163,814,871.01 : x
  2. Step 2: Convert to fraction form
    102,891,354,284.12/154,319,913,127.99 = 31,163,814,871.01/x
  3. Step 3: Cross multiply
    102,891,354,284.12x = 154,319,913,127.99 × 31,163,814,871.01
  4. Step 4: Simplify right side
    102,891,354,284.12x = 4,809,197,203,631,025,160,192
  5. Step 5: Solve for x
    x = 4,809,197,203,631,025,160,192/102,891,354,284.12
  6. Step 6: Final answer
    x = 46,740,537,502.80

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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.