Home / 236,103,634.35-354,155,451.53-121,312,378.35

Finding the Fourth Proportional to 236,103,634.35, 354,155,451.53 and 121,312,378.35

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Solution

The fourth proportional to 236,103,634.35, 354,155,451.53 and 121,312,378.35 is: 181,968,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,103,634.35 : 354,155,451.53 = 121,312,378.35 : x
  2. Step 2: Convert to fraction form
    236,103,634.35/354,155,451.53 = 121,312,378.35/x
  3. Step 3: Cross multiply
    236,103,634.35x = 354,155,451.53 × 121,312,378.35
  4. Step 4: Simplify right side
    236,103,634.35x = 42,963,440,130,115,880
  5. Step 5: Solve for x
    x = 42,963,440,130,115,880/236,103,634.35
  6. Step 6: Final answer
    x = 181,968,567.53

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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.