Home / 145,158,140.40-217,737,210.60-130,377,519.60

Finding the Fourth Proportional to 145,158,140.40, 217,737,210.60 and 130,377,519.60

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Solution

The fourth proportional to 145,158,140.40, 217,737,210.60 and 130,377,519.60 is: 195,566,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158,140.40 : 217,737,210.60 = 130,377,519.60 : x
  2. Step 2: Convert to fraction form
    145,158,140.40/217,737,210.60 = 130,377,519.60/x
  3. Step 3: Cross multiply
    145,158,140.40x = 217,737,210.60 × 130,377,519.60
  4. Step 4: Simplify right side
    145,158,140.40x = 28,388,037,442,650,824
  5. Step 5: Solve for x
    x = 28,388,037,442,650,824/145,158,140.40
  6. Step 6: Final answer
    x = 195,566,279.40

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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.