Home / 147,038,105,283.51-202,910,522,689.42-81,935,276,533.53

Finding the Fourth Proportional to 147,038,105,283.51, 202,910,522,689.42 and 81,935,276,533.53

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Solution

The fourth proportional to 147,038,105,283.51, 202,910,522,689.42 and 81,935,276,533.53 is: 113,069,532,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,038,105,283.51 : 202,910,522,689.42 = 81,935,276,533.53 : x
  2. Step 2: Convert to fraction form
    147,038,105,283.51/202,910,522,689.42 = 81,935,276,533.53/x
  3. Step 3: Cross multiply
    147,038,105,283.51x = 202,910,522,689.42 × 81,935,276,533.53
  4. Step 4: Simplify right side
    147,038,105,283.51x = 16,625,529,788,120,743,018,496
  5. Step 5: Solve for x
    x = 16,625,529,788,120,743,018,496/147,038,105,283.51
  6. Step 6: Final answer
    x = 113,069,532,255.36

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1.5x scale

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.