Home / 137,148,823,840.35-189,222,677,526.10-79,256,112,708.77

Finding the Fourth Proportional to 137,148,823,840.35, 189,222,677,526.10 and 79,256,112,708.77

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Solution

The fourth proportional to 137,148,823,840.35, 189,222,677,526.10 and 79,256,112,708.77 is: 109,348,760,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,148,823,840.35 : 189,222,677,526.10 = 79,256,112,708.77 : x
  2. Step 2: Convert to fraction form
    137,148,823,840.35/189,222,677,526.10 = 79,256,112,708.77/x
  3. Step 3: Cross multiply
    137,148,823,840.35x = 189,222,677,526.10 × 79,256,112,708.77
  4. Step 4: Simplify right side
    137,148,823,840.35x = 14,997,053,857,063,822,688,256
  5. Step 5: Solve for x
    x = 14,997,053,857,063,822,688,256/137,148,823,840.35
  6. Step 6: Final answer
    x = 109,348,760,252.74

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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.