Home / 129,714,247,378.91-194,600,710,110.77-70,021,628,402.02

Finding the Fourth Proportional to 129,714,247,378.91, 194,600,710,110.77 and 70,021,628,402.02

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Solution

The fourth proportional to 129,714,247,378.91, 194,600,710,110.77 and 70,021,628,402.02 is: 105,048,280,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714,247,378.91 : 194,600,710,110.77 = 70,021,628,402.02 : x
  2. Step 2: Convert to fraction form
    129,714,247,378.91/194,600,710,110.77 = 70,021,628,402.02/x
  3. Step 3: Cross multiply
    129,714,247,378.91x = 194,600,710,110.77 × 70,021,628,402.02
  4. Step 4: Simplify right side
    129,714,247,378.91x = 13,626,258,610,145,552,498,688
  5. Step 5: Solve for x
    x = 13,626,258,610,145,552,498,688/129,714,247,378.91
  6. Step 6: Final answer
    x = 105,048,280,242.82

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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.