Home / 109,187,345,336.40-163,781,018,004.60-42,940,602,910.80

Finding the Fourth Proportional to 109,187,345,336.40, 163,781,018,004.60 and 42,940,602,910.80

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Solution

The fourth proportional to 109,187,345,336.40, 163,781,018,004.60 and 42,940,602,910.80 is: 64,410,904,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,187,345,336.40 : 163,781,018,004.60 = 42,940,602,910.80 : x
  2. Step 2: Convert to fraction form
    109,187,345,336.40/163,781,018,004.60 = 42,940,602,910.80/x
  3. Step 3: Cross multiply
    109,187,345,336.40x = 163,781,018,004.60 × 42,940,602,910.80
  4. Step 4: Simplify right side
    109,187,345,336.40x = 7,032,855,658,462,114,217,984
  5. Step 5: Solve for x
    x = 7,032,855,658,462,114,217,984/109,187,345,336.40
  6. Step 6: Final answer
    x = 64,410,904,366.20

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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.