Home / 209,953,032.80-314,929,549.20-73,638,416.30

Finding the Fourth Proportional to 209,953,032.80, 314,929,549.20 and 73,638,416.30

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Solution

The fourth proportional to 209,953,032.80, 314,929,549.20 and 73,638,416.30 is: 110,457,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,032.80 : 314,929,549.20 = 73,638,416.30 : x
  2. Step 2: Convert to fraction form
    209,953,032.80/314,929,549.20 = 73,638,416.30/x
  3. Step 3: Cross multiply
    209,953,032.80x = 314,929,549.20 × 73,638,416.30
  4. Step 4: Simplify right side
    209,953,032.80x = 23,190,913,249,160,932
  5. Step 5: Solve for x
    x = 23,190,913,249,160,932/209,953,032.80
  6. Step 6: Final answer
    x = 110,457,624.45

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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.