Home / 129,381,811.02-178,554,130.02-70,649,926.02

Finding the Fourth Proportional to 129,381,811.02, 178,554,130.02 and 70,649,926.02

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Solution

The fourth proportional to 129,381,811.02, 178,554,130.02 and 70,649,926.02 is: 97,500,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,381,811.02 : 178,554,130.02 = 70,649,926.02 : x
  2. Step 2: Convert to fraction form
    129,381,811.02/178,554,130.02 = 70,649,926.02/x
  3. Step 3: Cross multiply
    129,381,811.02x = 178,554,130.02 × 70,649,926.02
  4. Step 4: Simplify right side
    129,381,811.02x = 12,614,836,076,478,462
  5. Step 5: Solve for x
    x = 12,614,836,076,478,462/129,381,811.02
  6. Step 6: Final answer
    x = 97,500,846.35

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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.