Home / 113,575,590.40-170,363,385.60-86,365,811.20

Finding the Fourth Proportional to 113,575,590.40, 170,363,385.60 and 86,365,811.20

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Solution

The fourth proportional to 113,575,590.40, 170,363,385.60 and 86,365,811.20 is: 129,548,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,575,590.40 : 170,363,385.60 = 86,365,811.20 : x
  2. Step 2: Convert to fraction form
    113,575,590.40/170,363,385.60 = 86,365,811.20/x
  3. Step 3: Cross multiply
    113,575,590.40x = 170,363,385.60 × 86,365,811.20
  4. Step 4: Simplify right side
    113,575,590.40x = 14,713,571,996,122,398
  5. Step 5: Solve for x
    x = 14,713,571,996,122,398/113,575,590.40
  6. Step 6: Final answer
    x = 129,548,716.80

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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.