Home / 278,308,322.63-384,070,110.95-152,872,117.19

Finding the Fourth Proportional to 278,308,322.63, 384,070,110.95 and 152,872,117.19

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Solution

The fourth proportional to 278,308,322.63, 384,070,110.95 and 152,872,117.19 is: 210,966,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,308,322.63 : 384,070,110.95 = 152,872,117.19 : x
  2. Step 2: Convert to fraction form
    278,308,322.63/384,070,110.95 = 152,872,117.19/x
  3. Step 3: Cross multiply
    278,308,322.63x = 384,070,110.95 × 152,872,117.19
  4. Step 4: Simplify right side
    278,308,322.63x = 58,713,611,009,560,336
  5. Step 5: Solve for x
    x = 58,713,611,009,560,336/278,308,322.63
  6. Step 6: Final answer
    x = 210,966,062.58

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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.