Home / 177,411,332.80-266,116,999.20-86,593,182.40

Finding the Fourth Proportional to 177,411,332.80, 266,116,999.20 and 86,593,182.40

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Solution

The fourth proportional to 177,411,332.80, 266,116,999.20 and 86,593,182.40 is: 129,889,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,411,332.80 : 266,116,999.20 = 86,593,182.40 : x
  2. Step 2: Convert to fraction form
    177,411,332.80/266,116,999.20 = 86,593,182.40/x
  3. Step 3: Cross multiply
    177,411,332.80x = 266,116,999.20 × 86,593,182.40
  4. Step 4: Simplify right side
    177,411,332.80x = 23,043,917,851,466,256
  5. Step 5: Solve for x
    x = 23,043,917,851,466,256/177,411,332.80
  6. Step 6: Final answer
    x = 129,889,773.60

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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.