Home / 217,200,699.52-299,742,878-118,088,115.84

Finding the Fourth Proportional to 217,200,699.52, 299,742,878 and 118,088,115.84

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Solution

The fourth proportional to 217,200,699.52, 299,742,878 and 118,088,115.84 is: 162,964,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,200,699.52 : 299,742,878 = 118,088,115.84 : x
  2. Step 2: Convert to fraction form
    217,200,699.52/299,742,878 = 118,088,115.84/x
  3. Step 3: Cross multiply
    217,200,699.52x = 299,742,878 × 118,088,115.84
  4. Step 4: Simplify right side
    217,200,699.52x = 35,396,071,699,478,988
  5. Step 5: Solve for x
    x = 35,396,071,699,478,988/217,200,699.52
  6. Step 6: Final answer
    x = 162,964,814.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.