Home / 209,952,208.10-314,928,312.15-118,119,203.30

Finding the Fourth Proportional to 209,952,208.10, 314,928,312.15 and 118,119,203.30

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Solution

The fourth proportional to 209,952,208.10, 314,928,312.15 and 118,119,203.30 is: 177,178,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,208.10 : 314,928,312.15 = 118,119,203.30 : x
  2. Step 2: Convert to fraction form
    209,952,208.10/314,928,312.15 = 118,119,203.30/x
  3. Step 3: Cross multiply
    209,952,208.10x = 314,928,312.15 × 118,119,203.30
  4. Step 4: Simplify right side
    209,952,208.10x = 37,199,081,327,771,704
  5. Step 5: Solve for x
    x = 37,199,081,327,771,704/209,952,208.10
  6. Step 6: Final answer
    x = 177,178,804.95

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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.