Home / 134,165,120.40-185,148,493.14-76,221,547.92

Finding the Fourth Proportional to 134,165,120.40, 185,148,493.14 and 76,221,547.92

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Solution

The fourth proportional to 134,165,120.40, 185,148,493.14 and 76,221,547.92 is: 105,186,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,165,120.40 : 185,148,493.14 = 76,221,547.92 : x
  2. Step 2: Convert to fraction form
    134,165,120.40/185,148,493.14 = 76,221,547.92/x
  3. Step 3: Cross multiply
    134,165,120.40x = 185,148,493.14 × 76,221,547.92
  4. Step 4: Simplify right side
    134,165,120.40x = 14,112,304,742,186,300
  5. Step 5: Solve for x
    x = 14,112,304,742,186,300/134,165,120.40
  6. Step 6: Final answer
    x = 105,186,092.33

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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.