Home / 138,686,758,541.20-208,030,137,811.80-33,997,133,069.20

Finding the Fourth Proportional to 138,686,758,541.20, 208,030,137,811.80 and 33,997,133,069.20

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Solution

The fourth proportional to 138,686,758,541.20, 208,030,137,811.80 and 33,997,133,069.20 is: 50,995,699,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,686,758,541.20 : 208,030,137,811.80 = 33,997,133,069.20 : x
  2. Step 2: Convert to fraction form
    138,686,758,541.20/208,030,137,811.80 = 33,997,133,069.20/x
  3. Step 3: Cross multiply
    138,686,758,541.20x = 208,030,137,811.80 × 33,997,133,069.20
  4. Step 4: Simplify right side
    138,686,758,541.20x = 7,072,428,277,591,779,049,472
  5. Step 5: Solve for x
    x = 7,072,428,277,591,779,049,472/138,686,758,541.20
  6. Step 6: Final answer
    x = 50,995,699,603.80

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1.5x scale

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.