Home / 129,378,072,541.51-194,071,062,407.64-44,386,674,862.15

Finding the Fourth Proportional to 129,378,072,541.51, 194,071,062,407.64 and 44,386,674,862.15

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Solution

The fourth proportional to 129,378,072,541.51, 194,071,062,407.64 and 44,386,674,862.15 is: 66,581,368,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,378,072,541.51 : 194,071,062,407.64 = 44,386,674,862.15 : x
  2. Step 2: Convert to fraction form
    129,378,072,541.51/194,071,062,407.64 = 44,386,674,862.15/x
  3. Step 3: Cross multiply
    129,378,072,541.51x = 194,071,062,407.64 × 44,386,674,862.15
  4. Step 4: Simplify right side
    129,378,072,541.51x = 8,614,169,147,240,326,627,328
  5. Step 5: Solve for x
    x = 8,614,169,147,240,326,627,328/129,378,072,541.51
  6. Step 6: Final answer
    x = 66,581,368,681.90

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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.