Home / 231,756,005.10-347,899,428.45-136,071,806.70

Finding the Fourth Proportional to 231,756,005.10, 347,899,428.45 and 136,071,806.70

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Solution

The fourth proportional to 231,756,005.10, 347,899,428.45 and 136,071,806.70 is: 204,263,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,756,005.10 : 347,899,428.45 = 136,071,806.70 : x
  2. Step 2: Convert to fraction form
    231,756,005.10/347,899,428.45 = 136,071,806.70/x
  3. Step 3: Cross multiply
    231,756,005.10x = 347,899,428.45 × 136,071,806.70
  4. Step 4: Simplify right side
    231,756,005.10x = 47,339,303,779,088,872
  5. Step 5: Solve for x
    x = 47,339,303,779,088,872/231,756,005.10
  6. Step 6: Final answer
    x = 204,263,547.60

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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.