Home / 153,859,607,112.48-212,326,277,941.28-85,275,448,049.09

Finding the Fourth Proportional to 153,859,607,112.48, 212,326,277,941.28 and 85,275,448,049.09

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Solution

The fourth proportional to 153,859,607,112.48, 212,326,277,941.28 and 85,275,448,049.09 is: 117,680,129,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,859,607,112.48 : 212,326,277,941.28 = 85,275,448,049.09 : x
  2. Step 2: Convert to fraction form
    153,859,607,112.48/212,326,277,941.28 = 85,275,448,049.09/x
  3. Step 3: Cross multiply
    153,859,607,112.48x = 212,326,277,941.28 × 85,275,448,049.09
  4. Step 4: Simplify right side
    153,859,607,112.48x = 18,106,218,484,037,205,360,640
  5. Step 5: Solve for x
    x = 18,106,218,484,037,205,360,640/153,859,607,112.48
  6. Step 6: Final answer
    x = 117,680,129,462.44

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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.