Home / 145,161,878.60-217,742,817.90-109,330,070.60

Finding the Fourth Proportional to 145,161,878.60, 217,742,817.90 and 109,330,070.60

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Solution

The fourth proportional to 145,161,878.60, 217,742,817.90 and 109,330,070.60 is: 163,995,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,161,878.60 : 217,742,817.90 = 109,330,070.60 : x
  2. Step 2: Convert to fraction form
    145,161,878.60/217,742,817.90 = 109,330,070.60/x
  3. Step 3: Cross multiply
    145,161,878.60x = 217,742,817.90 × 109,330,070.60
  4. Step 4: Simplify right side
    145,161,878.60x = 23,805,837,653,649,944
  5. Step 5: Solve for x
    x = 23,805,837,653,649,944/145,161,878.60
  6. Step 6: Final answer
    x = 163,995,105.90

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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.