Home / 112,903,887.60-169,355,831.40-69,857,166.60

Finding the Fourth Proportional to 112,903,887.60, 169,355,831.40 and 69,857,166.60

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Solution

The fourth proportional to 112,903,887.60, 169,355,831.40 and 69,857,166.60 is: 104,785,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,903,887.60 : 169,355,831.40 = 69,857,166.60 : x
  2. Step 2: Convert to fraction form
    112,903,887.60/169,355,831.40 = 69,857,166.60/x
  3. Step 3: Cross multiply
    112,903,887.60x = 169,355,831.40 × 69,857,166.60
  4. Step 4: Simplify right side
    112,903,887.60x = 11,830,718,528,791,310
  5. Step 5: Solve for x
    x = 11,830,718,528,791,310/112,903,887.60
  6. Step 6: Final answer
    x = 104,785,749.90

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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.