Home / 109,146,476,249.61-163,573,369,803.51-84,946,081,855.45

Finding the Fourth Proportional to 109,146,476,249.61, 163,573,369,803.51 and 84,946,081,855.45

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Solution

The fourth proportional to 109,146,476,249.61, 163,573,369,803.51 and 84,946,081,855.45 is: 127,305,226,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,146,476,249.61 : 163,573,369,803.51 = 84,946,081,855.45 : x
  2. Step 2: Convert to fraction form
    109,146,476,249.61/163,573,369,803.51 = 84,946,081,855.45/x
  3. Step 3: Cross multiply
    109,146,476,249.61x = 163,573,369,803.51 × 84,946,081,855.45
  4. Step 4: Simplify right side
    109,146,476,249.61x = 13,894,916,860,699,937,341,440
  5. Step 5: Solve for x
    x = 13,894,916,860,699,937,341,440/109,146,476,249.61
  6. Step 6: Final answer
    x = 127,305,226,317.37

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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.