Home / 129,316,941.91-178,454,850.25-70,580,028.07

Finding the Fourth Proportional to 129,316,941.91, 178,454,850.25 and 70,580,028.07

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Solution

The fourth proportional to 129,316,941.91, 178,454,850.25 and 70,580,028.07 is: 97,399,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,316,941.91 : 178,454,850.25 = 70,580,028.07 : x
  2. Step 2: Convert to fraction form
    129,316,941.91/178,454,850.25 = 70,580,028.07/x
  3. Step 3: Cross multiply
    129,316,941.91x = 178,454,850.25 × 70,580,028.07
  4. Step 4: Simplify right side
    129,316,941.91x = 12,595,348,338,627,472
  5. Step 5: Solve for x
    x = 12,595,348,338,627,472/129,316,941.91
  6. Step 6: Final answer
    x = 97,399,058.11

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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.