Home / 129,714,247,406.88-194,600,710,152.72-70,021,628,430

Finding the Fourth Proportional to 129,714,247,406.88, 194,600,710,152.72 and 70,021,628,430

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Solution

The fourth proportional to 129,714,247,406.88, 194,600,710,152.72 and 70,021,628,430 is: 105,048,280,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714,247,406.88 : 194,600,710,152.72 = 70,021,628,430 : x
  2. Step 2: Convert to fraction form
    129,714,247,406.88/194,600,710,152.72 = 70,021,628,430/x
  3. Step 3: Cross multiply
    129,714,247,406.88x = 194,600,710,152.72 × 70,021,628,430
  4. Step 4: Simplify right side
    129,714,247,406.88x = 13,626,258,618,527,887,917,056
  5. Step 5: Solve for x
    x = 13,626,258,618,527,887,917,056/129,714,247,406.88
  6. Step 6: Final answer
    x = 105,048,280,284.79

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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.