Home / 366,424,718.10-549,716,793.30-120,739,543.80

Finding the Fourth Proportional to 366,424,718.10, 549,716,793.30 and 120,739,543.80

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Solution

The fourth proportional to 366,424,718.10, 549,716,793.30 and 120,739,543.80 is: 181,135,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,424,718.10 : 549,716,793.30 = 120,739,543.80 : x
  2. Step 2: Convert to fraction form
    366,424,718.10/549,716,793.30 = 120,739,543.80/x
  3. Step 3: Cross multiply
    366,424,718.10x = 549,716,793.30 × 120,739,543.80
  4. Step 4: Simplify right side
    366,424,718.10x = 66,372,554,842,240,888
  5. Step 5: Solve for x
    x = 66,372,554,842,240,888/366,424,718.10
  6. Step 6: Final answer
    x = 181,135,582.74

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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.