Home / 172,388,271.36-237,900,871.20-94,076,881.76

Finding the Fourth Proportional to 172,388,271.36, 237,900,871.20 and 94,076,881.76

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Solution

The fourth proportional to 172,388,271.36, 237,900,871.20 and 94,076,881.76 is: 129,828,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,388,271.36 : 237,900,871.20 = 94,076,881.76 : x
  2. Step 2: Convert to fraction form
    172,388,271.36/237,900,871.20 = 94,076,881.76/x
  3. Step 3: Cross multiply
    172,388,271.36x = 237,900,871.20 × 94,076,881.76
  4. Step 4: Simplify right side
    172,388,271.36x = 22,380,972,130,483,388
  5. Step 5: Solve for x
    x = 22,380,972,130,483,388/172,388,271.36
  6. Step 6: Final answer
    x = 129,828,856.42

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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.