Home / 249,889,544.64-344,843,248.32-138,378,175.20

Finding the Fourth Proportional to 249,889,544.64, 344,843,248.32 and 138,378,175.20

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Solution

The fourth proportional to 249,889,544.64, 344,843,248.32 and 138,378,175.20 is: 190,959,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,889,544.64 : 344,843,248.32 = 138,378,175.20 : x
  2. Step 2: Convert to fraction form
    249,889,544.64/344,843,248.32 = 138,378,175.20/x
  3. Step 3: Cross multiply
    249,889,544.64x = 344,843,248.32 × 138,378,175.20
  4. Step 4: Simplify right side
    249,889,544.64x = 47,718,779,432,562,064
  5. Step 5: Solve for x
    x = 47,718,779,432,562,064/249,889,544.64
  6. Step 6: Final answer
    x = 190,959,487.73

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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.