Home / 129,749,138.02-179,054,284.98-70,210,434.70

Finding the Fourth Proportional to 129,749,138.02, 179,054,284.98 and 70,210,434.70

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Solution

The fourth proportional to 129,749,138.02, 179,054,284.98 and 70,210,434.70 is: 96,890,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749,138.02 : 179,054,284.98 = 70,210,434.70 : x
  2. Step 2: Convert to fraction form
    129,749,138.02/179,054,284.98 = 70,210,434.70/x
  3. Step 3: Cross multiply
    129,749,138.02x = 179,054,284.98 × 70,210,434.70
  4. Step 4: Simplify right side
    129,749,138.02x = 12,571,479,183,343,480
  5. Step 5: Solve for x
    x = 12,571,479,183,343,480/129,749,138.02
  6. Step 6: Final answer
    x = 96,890,656.66

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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.