Home / 140,518,655.40-193,911,579.54-77,797,549.02

Finding the Fourth Proportional to 140,518,655.40, 193,911,579.54 and 77,797,549.02

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Solution

The fourth proportional to 140,518,655.40, 193,911,579.54 and 77,797,549.02 is: 107,358,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,518,655.40 : 193,911,579.54 = 77,797,549.02 : x
  2. Step 2: Convert to fraction form
    140,518,655.40/193,911,579.54 = 77,797,549.02/x
  3. Step 3: Cross multiply
    140,518,655.40x = 193,911,579.54 × 77,797,549.02
  4. Step 4: Simplify right side
    140,518,655.40x = 15,085,845,614,808,778
  5. Step 5: Solve for x
    x = 15,085,845,614,808,778/140,518,655.40
  6. Step 6: Final answer
    x = 107,358,311.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.