Home / 165,117,686.20-247,726,295.70-88,477,430.20

Finding the Fourth Proportional to 165,117,686.20, 247,726,295.70 and 88,477,430.20

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Solution

The fourth proportional to 165,117,686.20, 247,726,295.70 and 88,477,430.20 is: 132,742,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,117,686.20 : 247,726,295.70 = 88,477,430.20 : x
  2. Step 2: Convert to fraction form
    165,117,686.20/247,726,295.70 = 88,477,430.20/x
  3. Step 3: Cross multiply
    165,117,686.20x = 247,726,295.70 × 88,477,430.20
  4. Step 4: Simplify right side
    165,117,686.20x = 21,918,186,036,501,308
  5. Step 5: Solve for x
    x = 21,918,186,036,501,308/165,117,686.20
  6. Step 6: Final answer
    x = 132,742,812.36

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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.