Home / 139,145,201.80-208,717,802.70-88,084,875.40

Finding the Fourth Proportional to 139,145,201.80, 208,717,802.70 and 88,084,875.40

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Solution

The fourth proportional to 139,145,201.80, 208,717,802.70 and 88,084,875.40 is: 132,127,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,145,201.80 : 208,717,802.70 = 88,084,875.40 : x
  2. Step 2: Convert to fraction form
    139,145,201.80/208,717,802.70 = 88,084,875.40/x
  3. Step 3: Cross multiply
    139,145,201.80x = 208,717,802.70 × 88,084,875.40
  4. Step 4: Simplify right side
    139,145,201.80x = 18,384,881,644,591,284
  5. Step 5: Solve for x
    x = 18,384,881,644,591,284/139,145,201.80
  6. Step 6: Final answer
    x = 132,127,313.10

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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.