Home / 163,085,036,752.61-225,064,326,102.83-90,827,090,013.09

Finding the Fourth Proportional to 163,085,036,752.61, 225,064,326,102.83 and 90,827,090,013.09

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Solution

The fourth proportional to 163,085,036,752.61, 225,064,326,102.83 and 90,827,090,013.09 is: 125,345,269,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,085,036,752.61 : 225,064,326,102.83 = 90,827,090,013.09 : x
  2. Step 2: Convert to fraction form
    163,085,036,752.61/225,064,326,102.83 = 90,827,090,013.09/x
  3. Step 3: Cross multiply
    163,085,036,752.61x = 225,064,326,102.83 × 90,827,090,013.09
  4. Step 4: Simplify right side
    163,085,036,752.61x = 20,441,937,805,677,181,272,064
  5. Step 5: Solve for x
    x = 20,441,937,805,677,181,272,064/163,085,036,752.61
  6. Step 6: Final answer
    x = 125,345,269,024.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.