Home / 253,134,960,145.05-349,326,503,533.11-137,391,743,641.82

Finding the Fourth Proportional to 253,134,960,145.05, 349,326,503,533.11 and 137,391,743,641.82

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Solution

The fourth proportional to 253,134,960,145.05, 349,326,503,533.11 and 137,391,743,641.82 is: 189,600,746,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,134,960,145.05 : 349,326,503,533.11 = 137,391,743,641.82 : x
  2. Step 2: Convert to fraction form
    253,134,960,145.05/349,326,503,533.11 = 137,391,743,641.82/x
  3. Step 3: Cross multiply
    253,134,960,145.05x = 349,326,503,533.11 × 137,391,743,641.82
  4. Step 4: Simplify right side
    253,134,960,145.05x = 47,994,577,420,714,376,167,424
  5. Step 5: Solve for x
    x = 47,994,577,420,714,376,167,424/253,134,960,145.05
  6. Step 6: Final answer
    x = 189,600,746,547.27

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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.