Home / 212,671,427,221.80-293,487,453,804.48-115,013,068,159.20

Finding the Fourth Proportional to 212,671,427,221.80, 293,487,453,804.48 and 115,013,068,159.20

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Solution

The fourth proportional to 212,671,427,221.80, 293,487,453,804.48 and 115,013,068,159.20 is: 158,718,512,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,671,427,221.80 : 293,487,453,804.48 = 115,013,068,159.20 : x
  2. Step 2: Convert to fraction form
    212,671,427,221.80/293,487,453,804.48 = 115,013,068,159.20/x
  3. Step 3: Cross multiply
    212,671,427,221.80x = 293,487,453,804.48 × 115,013,068,159.20
  4. Step 4: Simplify right side
    212,671,427,221.80x = 33,754,892,528,284,717,809,664
  5. Step 5: Solve for x
    x = 33,754,892,528,284,717,809,664/212,671,427,221.80
  6. Step 6: Final answer
    x = 158,718,512,257.32

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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.