Home / 117,252,046.80-175,878,070.20-99,868,021.20

Finding the Fourth Proportional to 117,252,046.80, 175,878,070.20 and 99,868,021.20

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Solution

The fourth proportional to 117,252,046.80, 175,878,070.20 and 99,868,021.20 is: 149,802,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252,046.80 : 175,878,070.20 = 99,868,021.20 : x
  2. Step 2: Convert to fraction form
    117,252,046.80/175,878,070.20 = 99,868,021.20/x
  3. Step 3: Cross multiply
    117,252,046.80x = 175,878,070.20 × 99,868,021.20
  4. Step 4: Simplify right side
    117,252,046.80x = 17,564,594,843,348,688
  5. Step 5: Solve for x
    x = 17,564,594,843,348,688/117,252,046.80
  6. Step 6: Final answer
    x = 149,802,031.80

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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.