Home / 87,396,566,325.40-120,605,988,459.92-48,816,035,188.46

Finding the Fourth Proportional to 87,396,566,325.40, 120,605,988,459.92 and 48,816,035,188.46

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Solution

The fourth proportional to 87,396,566,325.40, 120,605,988,459.92 and 48,816,035,188.46 is: 67,365,417,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,396,566,325.40 : 120,605,988,459.92 = 48,816,035,188.46 : x
  2. Step 2: Convert to fraction form
    87,396,566,325.40/120,605,988,459.92 = 48,816,035,188.46/x
  3. Step 3: Cross multiply
    87,396,566,325.40x = 120,605,988,459.92 × 48,816,035,188.46
  4. Step 4: Simplify right side
    87,396,566,325.40x = 5,887,506,176,597,973,532,672
  5. Step 5: Solve for x
    x = 5,887,506,176,597,973,532,672/87,396,566,325.40
  6. Step 6: Final answer
    x = 67,365,417,477.35

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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.