Home / 130,780,266.24-180,482,365.44-72,833,514.24

Finding the Fourth Proportional to 130,780,266.24, 180,482,365.44 and 72,833,514.24

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Solution

The fourth proportional to 130,780,266.24, 180,482,365.44 and 72,833,514.24 is: 100,513,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,780,266.24 : 180,482,365.44 = 72,833,514.24 : x
  2. Step 2: Convert to fraction form
    130,780,266.24/180,482,365.44 = 72,833,514.24/x
  3. Step 3: Cross multiply
    130,780,266.24x = 180,482,365.44 × 72,833,514.24
  4. Step 4: Simplify right side
    130,780,266.24x = 13,145,164,933,343,122
  5. Step 5: Solve for x
    x = 13,145,164,933,343,122/130,780,266.24
  6. Step 6: Final answer
    x = 100,513,367.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.