Home / 145,152,558.80-217,728,838.20-117,942,779.60

Finding the Fourth Proportional to 145,152,558.80, 217,728,838.20 and 117,942,779.60

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Solution

The fourth proportional to 145,152,558.80, 217,728,838.20 and 117,942,779.60 is: 176,914,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,558.80 : 217,728,838.20 = 117,942,779.60 : x
  2. Step 2: Convert to fraction form
    145,152,558.80/217,728,838.20 = 117,942,779.60/x
  3. Step 3: Cross multiply
    145,152,558.80x = 217,728,838.20 × 117,942,779.60
  4. Step 4: Simplify right side
    145,152,558.80x = 25,679,544,376,386,660
  5. Step 5: Solve for x
    x = 25,679,544,376,386,660/145,152,558.80
  6. Step 6: Final answer
    x = 176,914,169.40

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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.