Home / 127,716,127.20-191,555,528.40-36,830,239.20

Finding the Fourth Proportional to 127,716,127.20, 191,555,528.40 and 36,830,239.20

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Solution

The fourth proportional to 127,716,127.20, 191,555,528.40 and 36,830,239.20 is: 55,239,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716,127.20 : 191,555,528.40 = 36,830,239.20 : x
  2. Step 2: Convert to fraction form
    127,716,127.20/191,555,528.40 = 36,830,239.20/x
  3. Step 3: Cross multiply
    127,716,127.20x = 191,555,528.40 × 36,830,239.20
  4. Step 4: Simplify right side
    127,716,127.20x = 7,055,035,931,054,394
  5. Step 5: Solve for x
    x = 7,055,035,931,054,394/127,716,127.20
  6. Step 6: Final answer
    x = 55,239,977.02

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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.