Home / 96,768,554.40-145,152,831.60-72,880,682.40

Finding the Fourth Proportional to 96,768,554.40, 145,152,831.60 and 72,880,682.40

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Solution

The fourth proportional to 96,768,554.40, 145,152,831.60 and 72,880,682.40 is: 109,321,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,554.40 : 145,152,831.60 = 72,880,682.40 : x
  2. Step 2: Convert to fraction form
    96,768,554.40/145,152,831.60 = 72,880,682.40/x
  3. Step 3: Cross multiply
    96,768,554.40x = 145,152,831.60 × 72,880,682.40
  4. Step 4: Simplify right side
    96,768,554.40x = 10,578,837,419,300,284
  5. Step 5: Solve for x
    x = 10,578,837,419,300,284/96,768,554.40
  6. Step 6: Final answer
    x = 109,321,023.60

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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.