Home / 219,160,999.79-302,438,441.55-118,688,620.88

Finding the Fourth Proportional to 219,160,999.79, 302,438,441.55 and 118,688,620.88

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Solution

The fourth proportional to 219,160,999.79, 302,438,441.55 and 118,688,620.88 is: 163,788,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,160,999.79 : 302,438,441.55 = 118,688,620.88 : x
  2. Step 2: Convert to fraction form
    219,160,999.79/302,438,441.55 = 118,688,620.88/x
  3. Step 3: Cross multiply
    219,160,999.79x = 302,438,441.55 × 118,688,620.88
  4. Step 4: Simplify right side
    219,160,999.79x = 35,896,001,529,422,084
  5. Step 5: Solve for x
    x = 35,896,001,529,422,084/219,160,999.79
  6. Step 6: Final answer
    x = 163,788,272.39

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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.