Home / 156,252,679,678.56-234,390,315,878.32-65,402,725,449.36

Finding the Fourth Proportional to 156,252,679,678.56, 234,390,315,878.32 and 65,402,725,449.36

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Solution

The fourth proportional to 156,252,679,678.56, 234,390,315,878.32 and 65,402,725,449.36 is: 98,108,816,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,252,679,678.56 : 234,390,315,878.32 = 65,402,725,449.36 : x
  2. Step 2: Convert to fraction form
    156,252,679,678.56/234,390,315,878.32 = 65,402,725,449.36/x
  3. Step 3: Cross multiply
    156,252,679,678.56x = 234,390,315,878.32 × 65,402,725,449.36
  4. Step 4: Simplify right side
    156,252,679,678.56x = 15,329,765,477,378,529,689,600
  5. Step 5: Solve for x
    x = 15,329,765,477,378,529,689,600/156,252,679,678.56
  6. Step 6: Final answer
    x = 98,108,816,494.63

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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.