Home / 111,905,831.80-154,426,426.32-64,228,933.72

Finding the Fourth Proportional to 111,905,831.80, 154,426,426.32 and 64,228,933.72

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Solution

The fourth proportional to 111,905,831.80, 154,426,426.32 and 64,228,933.72 is: 88,633,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,905,831.80 : 154,426,426.32 = 64,228,933.72 : x
  2. Step 2: Convert to fraction form
    111,905,831.80/154,426,426.32 = 64,228,933.72/x
  3. Step 3: Cross multiply
    111,905,831.80x = 154,426,426.32 × 64,228,933.72
  4. Step 4: Simplify right side
    111,905,831.80x = 9,918,644,700,723,742
  5. Step 5: Solve for x
    x = 9,918,644,700,723,742/111,905,831.80
  6. Step 6: Final answer
    x = 88,633,849.92

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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.