Home / 84,745,055.20-127,156,677.25-38,701,039.16

Finding the Fourth Proportional to 84,745,055.20, 127,156,677.25 and 38,701,039.16

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Solution

The fourth proportional to 84,745,055.20, 127,156,677.25 and 38,701,039.16 is: 58,069,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,055.20 : 127,156,677.25 = 38,701,039.16 : x
  2. Step 2: Convert to fraction form
    84,745,055.20/127,156,677.25 = 38,701,039.16/x
  3. Step 3: Cross multiply
    84,745,055.20x = 127,156,677.25 × 38,701,039.16
  4. Step 4: Simplify right side
    84,745,055.20x = 4,921,095,544,878,443
  5. Step 5: Solve for x
    x = 4,921,095,544,878,443/84,745,055.20
  6. Step 6: Final answer
    x = 58,069,412.23

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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.