Home / 124,941,897.36-187,168,776.84-86,073,483.60

Finding the Fourth Proportional to 124,941,897.36, 187,168,776.84 and 86,073,483.60

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Solution

The fourth proportional to 124,941,897.36, 187,168,776.84 and 86,073,483.60 is: 128,942,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,941,897.36 : 187,168,776.84 = 86,073,483.60 : x
  2. Step 2: Convert to fraction form
    124,941,897.36/187,168,776.84 = 86,073,483.60/x
  3. Step 3: Cross multiply
    124,941,897.36x = 187,168,776.84 × 86,073,483.60
  4. Step 4: Simplify right side
    124,941,897.36x = 16,110,268,643,769,800
  5. Step 5: Solve for x
    x = 16,110,268,643,769,800/124,941,897.36
  6. Step 6: Final answer
    x = 128,942,084.15

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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.