Home / 85,904,875,322.40-118,552,402,221.37-47,843,076,216.80

Finding the Fourth Proportional to 85,904,875,322.40, 118,552,402,221.37 and 47,843,076,216.80

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Solution

The fourth proportional to 85,904,875,322.40, 118,552,402,221.37 and 47,843,076,216.80 is: 66,025,491,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,904,875,322.40 : 118,552,402,221.37 = 47,843,076,216.80 : x
  2. Step 2: Convert to fraction form
    85,904,875,322.40/118,552,402,221.37 = 47,843,076,216.80/x
  3. Step 3: Cross multiply
    85,904,875,322.40x = 118,552,402,221.37 × 47,843,076,216.80
  4. Step 4: Simplify right side
    85,904,875,322.40x = 5,671,911,615,161,972,031,488
  5. Step 5: Solve for x
    x = 5,671,911,615,161,972,031,488/85,904,875,322.40
  6. Step 6: Final answer
    x = 66,025,491,497.14

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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.