Home / 257,472,051.40-386,208,077.10-245,528,115.40

Finding the Fourth Proportional to 257,472,051.40, 386,208,077.10 and 245,528,115.40

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Solution

The fourth proportional to 257,472,051.40, 386,208,077.10 and 245,528,115.40 is: 368,292,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472,051.40 : 386,208,077.10 = 245,528,115.40 : x
  2. Step 2: Convert to fraction form
    257,472,051.40/386,208,077.10 = 245,528,115.40/x
  3. Step 3: Cross multiply
    257,472,051.40x = 386,208,077.10 × 245,528,115.40
  4. Step 4: Simplify right side
    257,472,051.40x = 94,824,941,322,620,912
  5. Step 5: Solve for x
    x = 94,824,941,322,620,912/257,472,051.40
  6. Step 6: Final answer
    x = 368,292,173.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.