Home / 113,789,714.40-157,030,284.60-61,578,752.63

Finding the Fourth Proportional to 113,789,714.40, 157,030,284.60 and 61,578,752.63

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Solution

The fourth proportional to 113,789,714.40, 157,030,284.60 and 61,578,752.63 is: 84,978,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,714.40 : 157,030,284.60 = 61,578,752.63 : x
  2. Step 2: Convert to fraction form
    113,789,714.40/157,030,284.60 = 61,578,752.63/x
  3. Step 3: Cross multiply
    113,789,714.40x = 157,030,284.60 × 61,578,752.63
  4. Step 4: Simplify right side
    113,789,714.40x = 9,669,729,050,016,746
  5. Step 5: Solve for x
    x = 9,669,729,050,016,746/113,789,714.40
  6. Step 6: Final answer
    x = 84,978,937.69

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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.