Home / 120,217,402,451.49-180,326,000,068.11-30,680,388,648.15

Finding the Fourth Proportional to 120,217,402,451.49, 180,326,000,068.11 and 30,680,388,648.15

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Solution

The fourth proportional to 120,217,402,451.49, 180,326,000,068.11 and 30,680,388,648.15 is: 46,020,556,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,217,402,451.49 : 180,326,000,068.11 = 30,680,388,648.15 : x
  2. Step 2: Convert to fraction form
    120,217,402,451.49/180,326,000,068.11 = 30,680,388,648.15/x
  3. Step 3: Cross multiply
    120,217,402,451.49x = 180,326,000,068.11 × 30,680,388,648.15
  4. Step 4: Simplify right side
    120,217,402,451.49x = 5,532,471,765,455,938,256,896
  5. Step 5: Solve for x
    x = 5,532,471,765,455,938,256,896/120,217,402,451.49
  6. Step 6: Final answer
    x = 46,020,556,530.39

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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.