Home / 145,152,377.40-217,728,566.10-96,779,436.60

Finding the Fourth Proportional to 145,152,377.40, 217,728,566.10 and 96,779,436.60

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Solution

The fourth proportional to 145,152,377.40, 217,728,566.10 and 96,779,436.60 is: 145,169,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,377.40 : 217,728,566.10 = 96,779,436.60 : x
  2. Step 2: Convert to fraction form
    145,152,377.40/217,728,566.10 = 96,779,436.60/x
  3. Step 3: Cross multiply
    145,152,377.40x = 217,728,566.10 × 96,779,436.60
  4. Step 4: Simplify right side
    145,152,377.40x = 21,071,647,958,883,856
  5. Step 5: Solve for x
    x = 21,071,647,958,883,856/145,152,377.40
  6. Step 6: Final answer
    x = 145,169,154.90

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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.