Home / 103,517,999.90-155,276,999.85-30,746,012.30

Finding the Fourth Proportional to 103,517,999.90, 155,276,999.85 and 30,746,012.30

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Solution

The fourth proportional to 103,517,999.90, 155,276,999.85 and 30,746,012.30 is: 46,119,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,999.90 : 155,276,999.85 = 30,746,012.30 : x
  2. Step 2: Convert to fraction form
    103,517,999.90/155,276,999.85 = 30,746,012.30/x
  3. Step 3: Cross multiply
    103,517,999.90x = 155,276,999.85 × 30,746,012.30
  4. Step 4: Simplify right side
    103,517,999.90x = 4,774,148,547,295,198
  5. Step 5: Solve for x
    x = 4,774,148,547,295,198/103,517,999.90
  6. Step 6: Final answer
    x = 46,119,018.45

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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.