Home / 129,056,085.08-178,097,423.04-70,318,750.20

Finding the Fourth Proportional to 129,056,085.08, 178,097,423.04 and 70,318,750.20

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Solution

The fourth proportional to 129,056,085.08, 178,097,423.04 and 70,318,750.20 is: 97,039,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,056,085.08 : 178,097,423.04 = 70,318,750.20 : x
  2. Step 2: Convert to fraction form
    129,056,085.08/178,097,423.04 = 70,318,750.20/x
  3. Step 3: Cross multiply
    129,056,085.08x = 178,097,423.04 × 70,318,750.20
  4. Step 4: Simplify right side
    129,056,085.08x = 12,523,588,202,013,484
  5. Step 5: Solve for x
    x = 12,523,588,202,013,484/129,056,085.08
  6. Step 6: Final answer
    x = 97,039,889.24

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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.