Home / 124,417,016.80-186,625,525.20-69,997,458.40

Finding the Fourth Proportional to 124,417,016.80, 186,625,525.20 and 69,997,458.40

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Solution

The fourth proportional to 124,417,016.80, 186,625,525.20 and 69,997,458.40 is: 104,996,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417,016.80 : 186,625,525.20 = 69,997,458.40 : x
  2. Step 2: Convert to fraction form
    124,417,016.80/186,625,525.20 = 69,997,458.40/x
  3. Step 3: Cross multiply
    124,417,016.80x = 186,625,525.20 × 69,997,458.40
  4. Step 4: Simplify right side
    124,417,016.80x = 13,063,312,436,565,152
  5. Step 5: Solve for x
    x = 13,063,312,436,565,152/124,417,016.80
  6. Step 6: Final answer
    x = 104,996,187.60

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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.