Home / 159,445,409.54-220,034,663.39-86,106,551.54

Finding the Fourth Proportional to 159,445,409.54, 220,034,663.39 and 86,106,551.54

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Solution

The fourth proportional to 159,445,409.54, 220,034,663.39 and 86,106,551.54 is: 118,827,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,409.54 : 220,034,663.39 = 86,106,551.54 : x
  2. Step 2: Convert to fraction form
    159,445,409.54/220,034,663.39 = 86,106,551.54/x
  3. Step 3: Cross multiply
    159,445,409.54x = 220,034,663.39 × 86,106,551.54
  4. Step 4: Simplify right side
    159,445,409.54x = 18,946,426,083,897,140
  5. Step 5: Solve for x
    x = 18,946,426,083,897,140/159,445,409.54
  6. Step 6: Final answer
    x = 118,827,040.17

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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.