Home / 209,672,830.79-314,509,246.08-64,106,392.36

Finding the Fourth Proportional to 209,672,830.79, 314,509,246.08 and 64,106,392.36

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Solution

The fourth proportional to 209,672,830.79, 314,509,246.08 and 64,106,392.36 is: 96,159,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,672,830.79 : 314,509,246.08 = 64,106,392.36 : x
  2. Step 2: Convert to fraction form
    209,672,830.79/314,509,246.08 = 64,106,392.36/x
  3. Step 3: Cross multiply
    209,672,830.79x = 314,509,246.08 × 64,106,392.36
  4. Step 4: Simplify right side
    209,672,830.79x = 20,162,053,130,052,272
  5. Step 5: Solve for x
    x = 20,162,053,130,052,272/209,672,830.79
  6. Step 6: Final answer
    x = 96,159,588.51

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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.