Home / 129,258,799.27-178,376,889.58-70,521,503.27

Finding the Fourth Proportional to 129,258,799.27, 178,376,889.58 and 70,521,503.27

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Solution

The fourth proportional to 129,258,799.27, 178,376,889.58 and 70,521,503.27 is: 97,319,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,258,799.27 : 178,376,889.58 = 70,521,503.27 : x
  2. Step 2: Convert to fraction form
    129,258,799.27/178,376,889.58 = 70,521,503.27/x
  3. Step 3: Cross multiply
    129,258,799.27x = 178,376,889.58 × 70,521,503.27
  4. Step 4: Simplify right side
    129,258,799.27x = 12,579,406,400,740,210
  5. Step 5: Solve for x
    x = 12,579,406,400,740,210/129,258,799.27
  6. Step 6: Final answer
    x = 97,319,536.25

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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.