Home / 205,406,881.40-283,490,563.14-127,115,649.32

Finding the Fourth Proportional to 205,406,881.40, 283,490,563.14 and 127,115,649.32

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Solution

The fourth proportional to 205,406,881.40, 283,490,563.14 and 127,115,649.32 is: 175,437,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,406,881.40 : 283,490,563.14 = 127,115,649.32 : x
  2. Step 2: Convert to fraction form
    205,406,881.40/283,490,563.14 = 127,115,649.32/x
  3. Step 3: Cross multiply
    205,406,881.40x = 283,490,563.14 × 127,115,649.32
  4. Step 4: Simplify right side
    205,406,881.40x = 36,036,087,009,633,552
  5. Step 5: Solve for x
    x = 36,036,087,009,633,552/205,406,881.40
  6. Step 6: Final answer
    x = 175,437,584.00

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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.