Home / 132,543,669,961.02-198,815,507,256.93-31,814,537,533.47

Finding the Fourth Proportional to 132,543,669,961.02, 198,815,507,256.93 and 31,814,537,533.47

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Solution

The fourth proportional to 132,543,669,961.02, 198,815,507,256.93 and 31,814,537,533.47 is: 47,721,806,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,543,669,961.02 : 198,815,507,256.93 = 31,814,537,533.47 : x
  2. Step 2: Convert to fraction form
    132,543,669,961.02/198,815,507,256.93 = 31,814,537,533.47/x
  3. Step 3: Cross multiply
    132,543,669,961.02x = 198,815,507,256.93 × 31,814,537,533.47
  4. Step 4: Simplify right side
    132,543,669,961.02x = 6,325,223,417,861,476,712,448
  5. Step 5: Solve for x
    x = 6,325,223,417,861,476,712,448/132,543,669,961.02
  6. Step 6: Final answer
    x = 47,721,806,855.97

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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.