Home / 117,619,221.20-176,428,831.80-112,328,430.80

Finding the Fourth Proportional to 117,619,221.20, 176,428,831.80 and 112,328,430.80

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Solution

The fourth proportional to 117,619,221.20, 176,428,831.80 and 112,328,430.80 is: 168,492,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619,221.20 : 176,428,831.80 = 112,328,430.80 : x
  2. Step 2: Convert to fraction form
    117,619,221.20/176,428,831.80 = 112,328,430.80/x
  3. Step 3: Cross multiply
    117,619,221.20x = 176,428,831.80 × 112,328,430.80
  4. Step 4: Simplify right side
    117,619,221.20x = 19,817,973,823,971,140
  5. Step 5: Solve for x
    x = 19,817,973,823,971,140/117,619,221.20
  6. Step 6: Final answer
    x = 168,492,646.20

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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.