Home / 132,987,202,254-199,799,039,810.82-85,273,693,185.40

Finding the Fourth Proportional to 132,987,202,254, 199,799,039,810.82 and 85,273,693,185.40

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Solution

The fourth proportional to 132,987,202,254, 199,799,039,810.82 and 85,273,693,185.40 is: 128,114,598,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,987,202,254 : 199,799,039,810.82 = 85,273,693,185.40 : x
  2. Step 2: Convert to fraction form
    132,987,202,254/199,799,039,810.82 = 85,273,693,185.40/x
  3. Step 3: Cross multiply
    132,987,202,254x = 199,799,039,810.82 × 85,273,693,185.40
  4. Step 4: Simplify right side
    132,987,202,254x = 17,037,602,019,564,387,827,712
  5. Step 5: Solve for x
    x = 17,037,602,019,564,387,827,712/132,987,202,254
  6. Step 6: Final answer
    x = 128,114,598,478.61

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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.