Home / 81,712,751,000.58-112,763,283,282.21-45,583,754,650.21

Finding the Fourth Proportional to 81,712,751,000.58, 112,763,283,282.21 and 45,583,754,650.21

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Solution

The fourth proportional to 81,712,751,000.58, 112,763,283,282.21 and 45,583,754,650.21 is: 62,905,406,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,712,751,000.58 : 112,763,283,282.21 = 45,583,754,650.21 : x
  2. Step 2: Convert to fraction form
    81,712,751,000.58/112,763,283,282.21 = 45,583,754,650.21/x
  3. Step 3: Cross multiply
    81,712,751,000.58x = 112,763,283,282.21 × 45,583,754,650.21
  4. Step 4: Simplify right side
    81,712,751,000.58x = 5,140,173,838,688,387,596,288
  5. Step 5: Solve for x
    x = 5,140,173,838,688,387,596,288/81,712,751,000.58
  6. Step 6: Final answer
    x = 62,905,406,754.11

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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.