Home / 178,653,371.78-246,543,386.88-103,294,041.53

Finding the Fourth Proportional to 178,653,371.78, 246,543,386.88 and 103,294,041.53

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Solution

The fourth proportional to 178,653,371.78, 246,543,386.88 and 103,294,041.53 is: 142,546,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,653,371.78 : 246,543,386.88 = 103,294,041.53 : x
  2. Step 2: Convert to fraction form
    178,653,371.78/246,543,386.88 = 103,294,041.53/x
  3. Step 3: Cross multiply
    178,653,371.78x = 246,543,386.88 × 103,294,041.53
  4. Step 4: Simplify right side
    178,653,371.78x = 25,466,462,842,196,748
  5. Step 5: Solve for x
    x = 25,466,462,842,196,748/178,653,371.78
  6. Step 6: Final answer
    x = 142,546,779.77

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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.