Home / 211,316,996.70-316,975,495.05-134,789,492.70

Finding the Fourth Proportional to 211,316,996.70, 316,975,495.05 and 134,789,492.70

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Solution

The fourth proportional to 211,316,996.70, 316,975,495.05 and 134,789,492.70 is: 202,184,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,316,996.70 : 316,975,495.05 = 134,789,492.70 : x
  2. Step 2: Convert to fraction form
    211,316,996.70/316,975,495.05 = 134,789,492.70/x
  3. Step 3: Cross multiply
    211,316,996.70x = 316,975,495.05 × 134,789,492.70
  4. Step 4: Simplify right side
    211,316,996.70x = 42,724,966,176,120,856
  5. Step 5: Solve for x
    x = 42,724,966,176,120,856/211,316,996.70
  6. Step 6: Final answer
    x = 202,184,239.05

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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.