Home / 90,081,306.47-124,308,871.35-48,827,313.11

Finding the Fourth Proportional to 90,081,306.47, 124,308,871.35 and 48,827,313.11

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Solution

The fourth proportional to 90,081,306.47, 124,308,871.35 and 48,827,313.11 is: 67,379,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,081,306.47 : 124,308,871.35 = 48,827,313.11 : x
  2. Step 2: Convert to fraction form
    90,081,306.47/124,308,871.35 = 48,827,313.11/x
  3. Step 3: Cross multiply
    90,081,306.47x = 124,308,871.35 × 48,827,313.11
  4. Step 4: Simplify right side
    90,081,306.47x = 6,069,668,183,757,158
  5. Step 5: Solve for x
    x = 6,069,668,183,757,158/90,081,306.47
  6. Step 6: Final answer
    x = 67,379,886.26

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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.