Home / 91,868,939.10-126,779,078.21-50,615,831.07

Finding the Fourth Proportional to 91,868,939.10, 126,779,078.21 and 50,615,831.07

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Solution

The fourth proportional to 91,868,939.10, 126,779,078.21 and 50,615,831.07 is: 69,849,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868,939.10 : 126,779,078.21 = 50,615,831.07 : x
  2. Step 2: Convert to fraction form
    91,868,939.10/126,779,078.21 = 50,615,831.07/x
  3. Step 3: Cross multiply
    91,868,939.10x = 126,779,078.21 × 50,615,831.07
  4. Step 4: Simplify right side
    91,868,939.10x = 6,417,028,405,634,599
  5. Step 5: Solve for x
    x = 6,417,028,405,634,599/91,868,939.10
  6. Step 6: Final answer
    x = 69,849,815.06

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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.