Home / 165,477,729.40-248,216,594.10-139,968,561.40

Finding the Fourth Proportional to 165,477,729.40, 248,216,594.10 and 139,968,561.40

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Solution

The fourth proportional to 165,477,729.40, 248,216,594.10 and 139,968,561.40 is: 209,952,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477,729.40 : 248,216,594.10 = 139,968,561.40 : x
  2. Step 2: Convert to fraction form
    165,477,729.40/248,216,594.10 = 139,968,561.40/x
  3. Step 3: Cross multiply
    165,477,729.40x = 248,216,594.10 × 139,968,561.40
  4. Step 4: Simplify right side
    165,477,729.40x = 34,742,519,591,784,728
  5. Step 5: Solve for x
    x = 34,742,519,591,784,728/165,477,729.40
  6. Step 6: Final answer
    x = 209,952,842.10

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1.5x scale

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.