Home / 151,733,472,812.32-209,392,028,904.72-83,146,558,332.64

Finding the Fourth Proportional to 151,733,472,812.32, 209,392,028,904.72 and 83,146,558,332.64

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Solution

The fourth proportional to 151,733,472,812.32, 209,392,028,904.72 and 83,146,558,332.64 is: 114,742,160,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,733,472,812.32 : 209,392,028,904.72 = 83,146,558,332.64 : x
  2. Step 2: Convert to fraction form
    151,733,472,812.32/209,392,028,904.72 = 83,146,558,332.64/x
  3. Step 3: Cross multiply
    151,733,472,812.32x = 209,392,028,904.72 × 83,146,558,332.64
  4. Step 4: Simplify right side
    151,733,472,812.32x = 17,410,226,545,716,143,063,040
  5. Step 5: Solve for x
    x = 17,410,226,545,716,143,063,040/151,733,472,812.32
  6. Step 6: Final answer
    x = 114,742,160,862.89

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1.5x scale

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.