Home / 136,772,611.48-188,747,726.51-74,050,076.29

Finding the Fourth Proportional to 136,772,611.48, 188,747,726.51 and 74,050,076.29

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Solution

The fourth proportional to 136,772,611.48, 188,747,726.51 and 74,050,076.29 is: 102,189,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,772,611.48 : 188,747,726.51 = 74,050,076.29 : x
  2. Step 2: Convert to fraction form
    136,772,611.48/188,747,726.51 = 74,050,076.29/x
  3. Step 3: Cross multiply
    136,772,611.48x = 188,747,726.51 × 74,050,076.29
  4. Step 4: Simplify right side
    136,772,611.48x = 13,976,783,547,988,356
  5. Step 5: Solve for x
    x = 13,976,783,547,988,356/136,772,611.48
  6. Step 6: Final answer
    x = 102,189,929.67

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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.