Home / 130,697,011,017.97-196,102,539,961.71-45,767,761,977.76

Finding the Fourth Proportional to 130,697,011,017.97, 196,102,539,961.71 and 45,767,761,977.76

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Solution

The fourth proportional to 130,697,011,017.97, 196,102,539,961.71 and 45,767,761,977.76 is: 68,671,611,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,697,011,017.97 : 196,102,539,961.71 = 45,767,761,977.76 : x
  2. Step 2: Convert to fraction form
    130,697,011,017.97/196,102,539,961.71 = 45,767,761,977.76/x
  3. Step 3: Cross multiply
    130,697,011,017.97x = 196,102,539,961.71 × 45,767,761,977.76
  4. Step 4: Simplify right side
    130,697,011,017.97x = 8,975,174,372,201,124,069,376
  5. Step 5: Solve for x
    x = 8,975,174,372,201,124,069,376/130,697,011,017.97
  6. Step 6: Final answer
    x = 68,671,611,556.34

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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.