Home / 139,636,101.08-192,605,483.25-87,334,335.06

Finding the Fourth Proportional to 139,636,101.08, 192,605,483.25 and 87,334,335.06

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Solution

The fourth proportional to 139,636,101.08, 192,605,483.25 and 87,334,335.06 is: 120,463,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,636,101.08 : 192,605,483.25 = 87,334,335.06 : x
  2. Step 2: Convert to fraction form
    139,636,101.08/192,605,483.25 = 87,334,335.06/x
  3. Step 3: Cross multiply
    139,636,101.08x = 192,605,483.25 × 87,334,335.06
  4. Step 4: Simplify right side
    139,636,101.08x = 16,821,071,808,548,718
  5. Step 5: Solve for x
    x = 16,821,071,808,548,718/139,636,101.08
  6. Step 6: Final answer
    x = 120,463,631.39

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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.