Home / 55,733,971.68-76,913,059.12-30,954,154.06

Finding the Fourth Proportional to 55,733,971.68, 76,913,059.12 and 30,954,154.06

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Solution

The fourth proportional to 55,733,971.68, 76,913,059.12 and 30,954,154.06 is: 42,716,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,733,971.68 : 76,913,059.12 = 30,954,154.06 : x
  2. Step 2: Convert to fraction form
    55,733,971.68/76,913,059.12 = 30,954,154.06/x
  3. Step 3: Cross multiply
    55,733,971.68x = 76,913,059.12 × 30,954,154.06
  4. Step 4: Simplify right side
    55,733,971.68x = 2,380,778,681,226,368
  5. Step 5: Solve for x
    x = 2,380,778,681,226,368/55,733,971.68
  6. Step 6: Final answer
    x = 42,716,831.57

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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.