Home / 118,359,089,309.52-163,347,717,173.76-72,012,806,812.80

Finding the Fourth Proportional to 118,359,089,309.52, 163,347,717,173.76 and 72,012,806,812.80

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Solution

The fourth proportional to 118,359,089,309.52, 163,347,717,173.76 and 72,012,806,812.80 is: 99,385,080,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,359,089,309.52 : 163,347,717,173.76 = 72,012,806,812.80 : x
  2. Step 2: Convert to fraction form
    118,359,089,309.52/163,347,717,173.76 = 72,012,806,812.80/x
  3. Step 3: Cross multiply
    118,359,089,309.52x = 163,347,717,173.76 × 72,012,806,812.80
  4. Step 4: Simplify right side
    118,359,089,309.52x = 11,763,127,600,145,873,502,208
  5. Step 5: Solve for x
    x = 11,763,127,600,145,873,502,208/118,359,089,309.52
  6. Step 6: Final answer
    x = 99,385,080,341.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.