Home / 180,166,521.70-270,249,782.55-103,639,017.70

Finding the Fourth Proportional to 180,166,521.70, 270,249,782.55 and 103,639,017.70

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Solution

The fourth proportional to 180,166,521.70, 270,249,782.55 and 103,639,017.70 is: 155,458,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,166,521.70 : 270,249,782.55 = 103,639,017.70 : x
  2. Step 2: Convert to fraction form
    180,166,521.70/270,249,782.55 = 103,639,017.70/x
  3. Step 3: Cross multiply
    180,166,521.70x = 270,249,782.55 × 103,639,017.70
  4. Step 4: Simplify right side
    180,166,521.70x = 28,008,421,997,120,604
  5. Step 5: Solve for x
    x = 28,008,421,997,120,604/180,166,521.70
  6. Step 6: Final answer
    x = 155,458,526.55

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1.5x scale

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.