Home / 66,108,670.10-99,163,005.15-40,242,583.70

Finding the Fourth Proportional to 66,108,670.10, 99,163,005.15 and 40,242,583.70

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Solution

The fourth proportional to 66,108,670.10, 99,163,005.15 and 40,242,583.70 is: 60,363,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108,670.10 : 99,163,005.15 = 40,242,583.70 : x
  2. Step 2: Convert to fraction form
    66,108,670.10/99,163,005.15 = 40,242,583.70/x
  3. Step 3: Cross multiply
    66,108,670.10x = 99,163,005.15 × 40,242,583.70
  4. Step 4: Simplify right side
    66,108,670.10x = 3,990,575,534,692,406.50
  5. Step 5: Solve for x
    x = 3,990,575,534,692,406.50/66,108,670.10
  6. Step 6: Final answer
    x = 60,363,875.55

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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.