Home / 145,158,195.40-217,737,293.10-130,377,574.60

Finding the Fourth Proportional to 145,158,195.40, 217,737,293.10 and 130,377,574.60

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Solution

The fourth proportional to 145,158,195.40, 217,737,293.10 and 130,377,574.60 is: 195,566,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158,195.40 : 217,737,293.10 = 130,377,574.60 : x
  2. Step 2: Convert to fraction form
    145,158,195.40/217,737,293.10 = 130,377,574.60/x
  3. Step 3: Cross multiply
    145,158,195.40x = 217,737,293.10 × 130,377,574.60
  4. Step 4: Simplify right side
    145,158,195.40x = 28,388,060,174,347,312
  5. Step 5: Solve for x
    x = 28,388,060,174,347,312/145,158,195.40
  6. Step 6: Final answer
    x = 195,566,361.90

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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.