Home / 153,859,607,113.98-212,326,277,943.35-85,275,448,050.59

Finding the Fourth Proportional to 153,859,607,113.98, 212,326,277,943.35 and 85,275,448,050.59

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Solution

The fourth proportional to 153,859,607,113.98, 212,326,277,943.35 and 85,275,448,050.59 is: 117,680,129,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,859,607,113.98 : 212,326,277,943.35 = 85,275,448,050.59 : x
  2. Step 2: Convert to fraction form
    153,859,607,113.98/212,326,277,943.35 = 85,275,448,050.59/x
  3. Step 3: Cross multiply
    153,859,607,113.98x = 212,326,277,943.35 × 85,275,448,050.59
  4. Step 4: Simplify right side
    153,859,607,113.98x = 18,106,218,484,532,217,118,720
  5. Step 5: Solve for x
    x = 18,106,218,484,532,217,118,720/153,859,607,113.98
  6. Step 6: Final answer
    x = 117,680,129,464.51

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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.