Home / 86,300,831.34-129,450,361.12-49,886,051.15

Finding the Fourth Proportional to 86,300,831.34, 129,450,361.12 and 49,886,051.15

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Solution

The fourth proportional to 86,300,831.34, 129,450,361.12 and 49,886,051.15 is: 74,828,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,300,831.34 : 129,450,361.12 = 49,886,051.15 : x
  2. Step 2: Convert to fraction form
    86,300,831.34/129,450,361.12 = 49,886,051.15/x
  3. Step 3: Cross multiply
    86,300,831.34x = 129,450,361.12 × 49,886,051.15
  4. Step 4: Simplify right side
    86,300,831.34x = 6,457,767,336,541,918
  5. Step 5: Solve for x
    x = 6,457,767,336,541,918/86,300,831.34
  6. Step 6: Final answer
    x = 74,828,564.64

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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.