Home / 76,249,918.54-105,268,098.10-58,334,432.72

Finding the Fourth Proportional to 76,249,918.54, 105,268,098.10 and 58,334,432.72

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Solution

The fourth proportional to 76,249,918.54, 105,268,098.10 and 58,334,432.72 is: 80,534,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,249,918.54 : 105,268,098.10 = 58,334,432.72 : x
  2. Step 2: Convert to fraction form
    76,249,918.54/105,268,098.10 = 58,334,432.72/x
  3. Step 3: Cross multiply
    76,249,918.54x = 105,268,098.10 × 58,334,432.72
  4. Step 4: Simplify right side
    76,249,918.54x = 6,140,754,786,176,809
  5. Step 5: Solve for x
    x = 6,140,754,786,176,809/76,249,918.54
  6. Step 6: Final answer
    x = 80,534,575.04

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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.