Home / 314,931,975.20-472,256,245.20-120,778,863.20

Finding the Fourth Proportional to 314,931,975.20, 472,256,245.20 and 120,778,863.20

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Solution

The fourth proportional to 314,931,975.20, 472,256,245.20 and 120,778,863.20 is: 181,113,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,931,975.20 : 472,256,245.20 = 120,778,863.20 : x
  2. Step 2: Convert to fraction form
    314,931,975.20/472,256,245.20 = 120,778,863.20/x
  3. Step 3: Cross multiply
    314,931,975.20x = 472,256,245.20 × 120,778,863.20
  4. Step 4: Simplify right side
    314,931,975.20x = 57,038,572,434,356,456
  5. Step 5: Solve for x
    x = 57,038,572,434,356,456/314,931,975.20
  6. Step 6: Final answer
    x = 181,113,945.00

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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.