Home / 105,664,009.60-158,496,014.40-88,657,897.60

Finding the Fourth Proportional to 105,664,009.60, 158,496,014.40 and 88,657,897.60

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Solution

The fourth proportional to 105,664,009.60, 158,496,014.40 and 88,657,897.60 is: 132,986,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,664,009.60 : 158,496,014.40 = 88,657,897.60 : x
  2. Step 2: Convert to fraction form
    105,664,009.60/158,496,014.40 = 88,657,897.60/x
  3. Step 3: Cross multiply
    105,664,009.60x = 158,496,014.40 × 88,657,897.60
  4. Step 4: Simplify right side
    105,664,009.60x = 14,051,923,414,683,326
  5. Step 5: Solve for x
    x = 14,051,923,414,683,326/105,664,009.60
  6. Step 6: Final answer
    x = 132,986,846.40

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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.