Home / 211,045,915.60-316,852,308.60-134,707,368.40

Finding the Fourth Proportional to 211,045,915.60, 316,852,308.60 and 134,707,368.40

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Solution

The fourth proportional to 211,045,915.60, 316,852,308.60 and 134,707,368.40 is: 202,241,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,045,915.60 : 316,852,308.60 = 134,707,368.40 : x
  2. Step 2: Convert to fraction form
    211,045,915.60/316,852,308.60 = 134,707,368.40/x
  3. Step 3: Cross multiply
    211,045,915.60x = 316,852,308.60 × 134,707,368.40
  4. Step 4: Simplify right side
    211,045,915.60x = 42,682,340,662,970,696
  5. Step 5: Solve for x
    x = 42,682,340,662,970,696/211,045,915.60
  6. Step 6: Final answer
    x = 202,241,964.94

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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.