Home / 177,890,483.68-245,491,374.59-102,495,142.76

Finding the Fourth Proportional to 177,890,483.68, 245,491,374.59 and 102,495,142.76

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Solution

The fourth proportional to 177,890,483.68, 245,491,374.59 and 102,495,142.76 is: 141,444,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,890,483.68 : 245,491,374.59 = 102,495,142.76 : x
  2. Step 2: Convert to fraction form
    177,890,483.68/245,491,374.59 = 102,495,142.76/x
  3. Step 3: Cross multiply
    177,890,483.68x = 245,491,374.59 × 102,495,142.76
  4. Step 4: Simplify right side
    177,890,483.68x = 25,161,673,484,950,688
  5. Step 5: Solve for x
    x = 25,161,673,484,950,688/177,890,483.68
  6. Step 6: Final answer
    x = 141,444,741.53

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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.