Home / 158,984,577.40-238,476,866.10-86,236,209.40

Finding the Fourth Proportional to 158,984,577.40, 238,476,866.10 and 86,236,209.40

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Solution

The fourth proportional to 158,984,577.40, 238,476,866.10 and 86,236,209.40 is: 129,354,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,984,577.40 : 238,476,866.10 = 86,236,209.40 : x
  2. Step 2: Convert to fraction form
    158,984,577.40/238,476,866.10 = 86,236,209.40/x
  3. Step 3: Cross multiply
    158,984,577.40x = 238,476,866.10 × 86,236,209.40
  4. Step 4: Simplify right side
    158,984,577.40x = 20,565,340,962,055,364
  5. Step 5: Solve for x
    x = 20,565,340,962,055,364/158,984,577.40
  6. Step 6: Final answer
    x = 129,354,314.10

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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.