Home / 102,458,654.90-141,392,521.02-55,415,780.90

Finding the Fourth Proportional to 102,458,654.90, 141,392,521.02 and 55,415,780.90

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Solution

The fourth proportional to 102,458,654.90, 141,392,521.02 and 55,415,780.90 is: 76,473,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,654.90 : 141,392,521.02 = 55,415,780.90 : x
  2. Step 2: Convert to fraction form
    102,458,654.90/141,392,521.02 = 55,415,780.90/x
  3. Step 3: Cross multiply
    102,458,654.90x = 141,392,521.02 × 55,415,780.90
  4. Step 4: Simplify right side
    102,458,654.90x = 7,835,376,965,742,965
  5. Step 5: Solve for x
    x = 7,835,376,965,742,965/102,458,654.90
  6. Step 6: Final answer
    x = 76,473,549.00

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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.