Home / 127,113,931.80-190,670,897.70-98,416,117.80

Finding the Fourth Proportional to 127,113,931.80, 190,670,897.70 and 98,416,117.80

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Solution

The fourth proportional to 127,113,931.80, 190,670,897.70 and 98,416,117.80 is: 147,624,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113,931.80 : 190,670,897.70 = 98,416,117.80 : x
  2. Step 2: Convert to fraction form
    127,113,931.80/190,670,897.70 = 98,416,117.80/x
  3. Step 3: Cross multiply
    127,113,931.80x = 190,670,897.70 × 98,416,117.80
  4. Step 4: Simplify right side
    127,113,931.80x = 18,765,089,529,074,948
  5. Step 5: Solve for x
    x = 18,765,089,529,074,948/127,113,931.80
  6. Step 6: Final answer
    x = 147,624,176.70

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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.