Home / 145,219,848.66-200,403,395.26-80,029,752.66

Finding the Fourth Proportional to 145,219,848.66, 200,403,395.26 and 80,029,752.66

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Solution

The fourth proportional to 145,219,848.66, 200,403,395.26 and 80,029,752.66 is: 110,441,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,848.66 : 200,403,395.26 = 80,029,752.66 : x
  2. Step 2: Convert to fraction form
    145,219,848.66/200,403,395.26 = 80,029,752.66/x
  3. Step 3: Cross multiply
    145,219,848.66x = 200,403,395.26 × 80,029,752.66
  4. Step 4: Simplify right side
    145,219,848.66x = 16,038,234,154,882,014
  5. Step 5: Solve for x
    x = 16,038,234,154,882,014/145,219,848.66
  6. Step 6: Final answer
    x = 110,441,060.94

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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.