Home / 81,483,444,075.20-112,447,158,230.86-45,353,701,138.12

Finding the Fourth Proportional to 81,483,444,075.20, 112,447,158,230.86 and 45,353,701,138.12

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Solution

The fourth proportional to 81,483,444,075.20, 112,447,158,230.86 and 45,353,701,138.12 is: 62,588,110,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,483,444,075.20 : 112,447,158,230.86 = 45,353,701,138.12 : x
  2. Step 2: Convert to fraction form
    81,483,444,075.20/112,447,158,230.86 = 45,353,701,138.12/x
  3. Step 3: Cross multiply
    81,483,444,075.20x = 112,447,158,230.86 × 45,353,701,138.12
  4. Step 4: Simplify right side
    81,483,444,075.20x = 5,099,894,808,233,314,877,440
  5. Step 5: Solve for x
    x = 5,099,894,808,233,314,877,440/81,483,444,075.20
  6. Step 6: Final answer
    x = 62,588,110,580.19

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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.