Home / 126,847,006.40-190,270,509.60-66,254,859.20

Finding the Fourth Proportional to 126,847,006.40, 190,270,509.60 and 66,254,859.20

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Solution

The fourth proportional to 126,847,006.40, 190,270,509.60 and 66,254,859.20 is: 99,382,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,847,006.40 : 190,270,509.60 = 66,254,859.20 : x
  2. Step 2: Convert to fraction form
    126,847,006.40/190,270,509.60 = 66,254,859.20/x
  3. Step 3: Cross multiply
    126,847,006.40x = 190,270,509.60 × 66,254,859.20
  4. Step 4: Simplify right side
    126,847,006.40x = 12,606,345,823,460,248
  5. Step 5: Solve for x
    x = 12,606,345,823,460,248/126,847,006.40
  6. Step 6: Final answer
    x = 99,382,288.80

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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.