Home / 124,578,032.40-186,867,048.60-90,140,655.60

Finding the Fourth Proportional to 124,578,032.40, 186,867,048.60 and 90,140,655.60

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Solution

The fourth proportional to 124,578,032.40, 186,867,048.60 and 90,140,655.60 is: 135,210,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,578,032.40 : 186,867,048.60 = 90,140,655.60 : x
  2. Step 2: Convert to fraction form
    124,578,032.40/186,867,048.60 = 90,140,655.60/x
  3. Step 3: Cross multiply
    124,578,032.40x = 186,867,048.60 × 90,140,655.60
  4. Step 4: Simplify right side
    124,578,032.40x = 16,844,318,270,841,060
  5. Step 5: Solve for x
    x = 16,844,318,270,841,060/124,578,032.40
  6. Step 6: Final answer
    x = 135,210,983.40

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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.