Home / 105,683,472,729.45-145,843,216,172.87-58,159,892,745.45

Finding the Fourth Proportional to 105,683,472,729.45, 145,843,216,172.87 and 58,159,892,745.45

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Solution

The fourth proportional to 105,683,472,729.45, 145,843,216,172.87 and 58,159,892,745.45 is: 80,260,665,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683,472,729.45 : 145,843,216,172.87 = 58,159,892,745.45 : x
  2. Step 2: Convert to fraction form
    105,683,472,729.45/145,843,216,172.87 = 58,159,892,745.45/x
  3. Step 3: Cross multiply
    105,683,472,729.45x = 145,843,216,172.87 × 58,159,892,745.45
  4. Step 4: Simplify right side
    105,683,472,729.45x = 8,482,225,810,265,597,804,544
  5. Step 5: Solve for x
    x = 8,482,225,810,265,597,804,544/105,683,472,729.45
  6. Step 6: Final answer
    x = 80,260,665,089.80

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1.5x scale

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.