Home / 156,634,127.04-216,142,442.78-90,558,884.22

Finding the Fourth Proportional to 156,634,127.04, 216,142,442.78 and 90,558,884.22

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Solution

The fourth proportional to 156,634,127.04, 216,142,442.78 and 90,558,884.22 is: 124,963,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634,127.04 : 216,142,442.78 = 90,558,884.22 : x
  2. Step 2: Convert to fraction form
    156,634,127.04/216,142,442.78 = 90,558,884.22/x
  3. Step 3: Cross multiply
    156,634,127.04x = 216,142,442.78 × 90,558,884.22
  4. Step 4: Simplify right side
    156,634,127.04x = 19,573,618,450,741,996
  5. Step 5: Solve for x
    x = 19,573,618,450,741,996/156,634,127.04
  6. Step 6: Final answer
    x = 124,963,945.09

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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.