Home / 55,730,727.20-83,596,090.80-42,125,837.60

Finding the Fourth Proportional to 55,730,727.20, 83,596,090.80 and 42,125,837.60

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Solution

The fourth proportional to 55,730,727.20, 83,596,090.80 and 42,125,837.60 is: 63,188,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,727.20 : 83,596,090.80 = 42,125,837.60 : x
  2. Step 2: Convert to fraction form
    55,730,727.20/83,596,090.80 = 42,125,837.60/x
  3. Step 3: Cross multiply
    55,730,727.20x = 83,596,090.80 × 42,125,837.60
  4. Step 4: Simplify right side
    55,730,727.20x = 3,521,555,345,035,654
  5. Step 5: Solve for x
    x = 3,521,555,345,035,654/55,730,727.20
  6. Step 6: Final answer
    x = 63,188,756.40

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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.