Home / 124,307,342,780.58-171,546,367,202.73-72,902,977,868.34

Finding the Fourth Proportional to 124,307,342,780.58, 171,546,367,202.73 and 72,902,977,868.34

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Solution

The fourth proportional to 124,307,342,780.58, 171,546,367,202.73 and 72,902,977,868.34 is: 100,607,419,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,307,342,780.58 : 171,546,367,202.73 = 72,902,977,868.34 : x
  2. Step 2: Convert to fraction form
    124,307,342,780.58/171,546,367,202.73 = 72,902,977,868.34/x
  3. Step 3: Cross multiply
    124,307,342,780.58x = 171,546,367,202.73 × 72,902,977,868.34
  4. Step 4: Simplify right side
    124,307,342,780.58x = 12,506,241,011,574,751,887,360
  5. Step 5: Solve for x
    x = 12,506,241,011,574,751,887,360/124,307,342,780.58
  6. Step 6: Final answer
    x = 100,607,419,737.47

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1.5x scale

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.