Home / 219,140,531.60-302,423,439.76-121,355,387.60

Finding the Fourth Proportional to 219,140,531.60, 302,423,439.76 and 121,355,387.60

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Solution

The fourth proportional to 219,140,531.60, 302,423,439.76 and 121,355,387.60 is: 167,475,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,140,531.60 : 302,423,439.76 = 121,355,387.60 : x
  2. Step 2: Convert to fraction form
    219,140,531.60/302,423,439.76 = 121,355,387.60/x
  3. Step 3: Cross multiply
    219,140,531.60x = 302,423,439.76 × 121,355,387.60
  4. Step 4: Simplify right side
    219,140,531.60x = 36,700,713,751,400,048
  5. Step 5: Solve for x
    x = 36,700,713,751,400,048/219,140,531.60
  6. Step 6: Final answer
    x = 167,475,699.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.