Home / 124,578,047.40-186,867,071.10-90,140,670.60

Finding the Fourth Proportional to 124,578,047.40, 186,867,071.10 and 90,140,670.60

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Solution

The fourth proportional to 124,578,047.40, 186,867,071.10 and 90,140,670.60 is: 135,211,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,578,047.40 : 186,867,071.10 = 90,140,670.60 : x
  2. Step 2: Convert to fraction form
    124,578,047.40/186,867,071.10 = 90,140,670.60/x
  3. Step 3: Cross multiply
    124,578,047.40x = 186,867,071.10 × 90,140,670.60
  4. Step 4: Simplify right side
    124,578,047.40x = 16,844,323,102,011,878
  5. Step 5: Solve for x
    x = 16,844,323,102,011,878/124,578,047.40
  6. Step 6: Final answer
    x = 135,211,005.90

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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.