Home / 278,308,322.88-384,070,111.29-152,872,117.44

Finding the Fourth Proportional to 278,308,322.88, 384,070,111.29 and 152,872,117.44

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Solution

The fourth proportional to 278,308,322.88, 384,070,111.29 and 152,872,117.44 is: 210,966,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,308,322.88 : 384,070,111.29 = 152,872,117.44 : x
  2. Step 2: Convert to fraction form
    278,308,322.88/384,070,111.29 = 152,872,117.44/x
  3. Step 3: Cross multiply
    278,308,322.88x = 384,070,111.29 × 152,872,117.44
  4. Step 4: Simplify right side
    278,308,322.88x = 58,713,611,158,318,752
  5. Step 5: Solve for x
    x = 58,713,611,158,318,752/278,308,322.88
  6. Step 6: Final answer
    x = 210,966,062.93

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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.