Home / 185,660,369.47-256,218,224.40-111,333,031.21

Finding the Fourth Proportional to 185,660,369.47, 256,218,224.40 and 111,333,031.21

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Solution

The fourth proportional to 185,660,369.47, 256,218,224.40 and 111,333,031.21 is: 153,643,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,660,369.47 : 256,218,224.40 = 111,333,031.21 : x
  2. Step 2: Convert to fraction form
    185,660,369.47/256,218,224.40 = 111,333,031.21/x
  3. Step 3: Cross multiply
    185,660,369.47x = 256,218,224.40 × 111,333,031.21
  4. Step 4: Simplify right side
    185,660,369.47x = 28,525,551,573,695,984
  5. Step 5: Solve for x
    x = 28,525,551,573,695,984/185,660,369.47
  6. Step 6: Final answer
    x = 153,643,729.44

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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.