Home / 129,714,247,381.29-194,600,710,114.33-70,021,628,404.40

Finding the Fourth Proportional to 129,714,247,381.29, 194,600,710,114.33 and 70,021,628,404.40

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Solution

The fourth proportional to 129,714,247,381.29, 194,600,710,114.33 and 70,021,628,404.40 is: 105,048,280,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714,247,381.29 : 194,600,710,114.33 = 70,021,628,404.40 : x
  2. Step 2: Convert to fraction form
    129,714,247,381.29/194,600,710,114.33 = 70,021,628,404.40/x
  3. Step 3: Cross multiply
    129,714,247,381.29x = 194,600,710,114.33 × 70,021,628,404.40
  4. Step 4: Simplify right side
    129,714,247,381.29x = 13,626,258,610,857,978,101,760
  5. Step 5: Solve for x
    x = 13,626,258,610,857,978,101,760/129,714,247,381.29
  6. Step 6: Final answer
    x = 105,048,280,246.38

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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.