Home / 55,916,860,788.68-83,875,292,159.78-13,421,758,045.82

Finding the Fourth Proportional to 55,916,860,788.68, 83,875,292,159.78 and 13,421,758,045.82

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Solution

The fourth proportional to 55,916,860,788.68, 83,875,292,159.78 and 13,421,758,045.82 is: 20,132,637,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916,860,788.68 : 83,875,292,159.78 = 13,421,758,045.82 : x
  2. Step 2: Convert to fraction form
    55,916,860,788.68/83,875,292,159.78 = 13,421,758,045.82/x
  3. Step 3: Cross multiply
    55,916,860,788.68x = 83,875,292,159.78 × 13,421,758,045.82
  4. Step 4: Simplify right side
    55,916,860,788.68x = 1,125,753,877,391,030,353,920
  5. Step 5: Solve for x
    x = 1,125,753,877,391,030,353,920/55,916,860,788.68
  6. Step 6: Final answer
    x = 20,132,637,303.18

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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.