Home / 31,106,203,877.64-42,921,943,590.98-18,892,553,242.44

Finding the Fourth Proportional to 31,106,203,877.64, 42,921,943,590.98 and 18,892,553,242.44

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Solution

The fourth proportional to 31,106,203,877.64, 42,921,943,590.98 and 18,892,553,242.44 is: 26,068,918,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106,203,877.64 : 42,921,943,590.98 = 18,892,553,242.44 : x
  2. Step 2: Convert to fraction form
    31,106,203,877.64/42,921,943,590.98 = 18,892,553,242.44/x
  3. Step 3: Cross multiply
    31,106,203,877.64x = 42,921,943,590.98 × 18,892,553,242.44
  4. Step 4: Simplify right side
    31,106,203,877.64x = 810,905,104,561,596,006,400
  5. Step 5: Solve for x
    x = 810,905,104,561,596,006,400/31,106,203,877.64
  6. Step 6: Final answer
    x = 26,068,918,848.19

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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.