Home / 193,506,367.40-290,152,475.54-76,803,498.44

Finding the Fourth Proportional to 193,506,367.40, 290,152,475.54 and 76,803,498.44

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Solution

The fourth proportional to 193,506,367.40, 290,152,475.54 and 76,803,498.44 is: 115,162,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,506,367.40 : 290,152,475.54 = 76,803,498.44 : x
  2. Step 2: Convert to fraction form
    193,506,367.40/290,152,475.54 = 76,803,498.44/x
  3. Step 3: Cross multiply
    193,506,367.40x = 290,152,475.54 × 76,803,498.44
  4. Step 4: Simplify right side
    193,506,367.40x = 22,284,725,202,498,528
  5. Step 5: Solve for x
    x = 22,284,725,202,498,528/193,506,367.40
  6. Step 6: Final answer
    x = 115,162,748.92

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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.