Home / 127,623,812.40-191,435,718.60-36,756,586.80

Finding the Fourth Proportional to 127,623,812.40, 191,435,718.60 and 36,756,586.80

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Solution

The fourth proportional to 127,623,812.40, 191,435,718.60 and 36,756,586.80 is: 55,134,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623,812.40 : 191,435,718.60 = 36,756,586.80 : x
  2. Step 2: Convert to fraction form
    127,623,812.40/191,435,718.60 = 36,756,586.80/x
  3. Step 3: Cross multiply
    127,623,812.40x = 191,435,718.60 × 36,756,586.80
  4. Step 4: Simplify right side
    127,623,812.40x = 7,036,523,607,341,274
  5. Step 5: Solve for x
    x = 7,036,523,607,341,274/127,623,812.40
  6. Step 6: Final answer
    x = 55,134,880.20

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1.5x scale

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.