Home / 59,615,999.10-89,423,998.65-18,678,858.30

Finding the Fourth Proportional to 59,615,999.10, 89,423,998.65 and 18,678,858.30

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Solution

The fourth proportional to 59,615,999.10, 89,423,998.65 and 18,678,858.30 is: 28,018,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,615,999.10 : 89,423,998.65 = 18,678,858.30 : x
  2. Step 2: Convert to fraction form
    59,615,999.10/89,423,998.65 = 18,678,858.30/x
  3. Step 3: Cross multiply
    59,615,999.10x = 89,423,998.65 × 18,678,858.30
  4. Step 4: Simplify right side
    59,615,999.10x = 1,670,338,199,402,741.50
  5. Step 5: Solve for x
    x = 1,670,338,199,402,741.50/59,615,999.10
  6. Step 6: Final answer
    x = 28,018,287.45

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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.