Home / 116,545,146.76-160,830,365.70-64,332,831.88

Finding the Fourth Proportional to 116,545,146.76, 160,830,365.70 and 64,332,831.88

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Solution

The fourth proportional to 116,545,146.76, 160,830,365.70 and 64,332,831.88 is: 88,778,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,545,146.76 : 160,830,365.70 = 64,332,831.88 : x
  2. Step 2: Convert to fraction form
    116,545,146.76/160,830,365.70 = 64,332,831.88/x
  3. Step 3: Cross multiply
    116,545,146.76x = 160,830,365.70 × 64,332,831.88
  4. Step 4: Simplify right side
    116,545,146.76x = 10,346,672,877,777,018
  5. Step 5: Solve for x
    x = 10,346,672,877,777,018/116,545,146.76
  6. Step 6: Final answer
    x = 88,778,238.87

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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.