Home / 127,281,831.20-190,922,746.80-46,492,301.60

Finding the Fourth Proportional to 127,281,831.20, 190,922,746.80 and 46,492,301.60

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Solution

The fourth proportional to 127,281,831.20, 190,922,746.80 and 46,492,301.60 is: 69,738,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,281,831.20 : 190,922,746.80 = 46,492,301.60 : x
  2. Step 2: Convert to fraction form
    127,281,831.20/190,922,746.80 = 46,492,301.60/x
  3. Step 3: Cross multiply
    127,281,831.20x = 190,922,746.80 × 46,492,301.60
  4. Step 4: Simplify right side
    127,281,831.20x = 8,876,437,926,526,036
  5. Step 5: Solve for x
    x = 8,876,437,926,526,036/127,281,831.20
  6. Step 6: Final answer
    x = 69,738,452.40

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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.