Home / 278,508,842.56-384,351,417.59-153,065,484.93

Finding the Fourth Proportional to 278,508,842.56, 384,351,417.59 and 153,065,484.93

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Solution

The fourth proportional to 278,508,842.56, 384,351,417.59 and 153,065,484.93 is: 211,235,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,508,842.56 : 384,351,417.59 = 153,065,484.93 : x
  2. Step 2: Convert to fraction form
    278,508,842.56/384,351,417.59 = 153,065,484.93/x
  3. Step 3: Cross multiply
    278,508,842.56x = 384,351,417.59 × 153,065,484.93
  4. Step 4: Simplify right side
    278,508,842.56x = 58,830,936,116,946,280
  5. Step 5: Solve for x
    x = 58,830,936,116,946,280/278,508,842.56
  6. Step 6: Final answer
    x = 211,235,433.59

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