Home / 365,990,916.02-549,004,030.39-120,342,112.34

Finding the Fourth Proportional to 365,990,916.02, 549,004,030.39 and 120,342,112.34

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Solution

The fourth proportional to 365,990,916.02, 549,004,030.39 and 120,342,112.34 is: 180,518,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,990,916.02 : 549,004,030.39 = 120,342,112.34 : x
  2. Step 2: Convert to fraction form
    365,990,916.02/549,004,030.39 = 120,342,112.34/x
  3. Step 3: Cross multiply
    365,990,916.02x = 549,004,030.39 × 120,342,112.34
  4. Step 4: Simplify right side
    365,990,916.02x = 66,068,304,700,306,152
  5. Step 5: Solve for x
    x = 66,068,304,700,306,152/365,990,916.02
  6. Step 6: Final answer
    x = 180,518,974.13

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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.