Home / 209,952,425.45-314,928,638.18-102,457,001.45

Finding the Fourth Proportional to 209,952,425.45, 314,928,638.18 and 102,457,001.45

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Solution

The fourth proportional to 209,952,425.45, 314,928,638.18 and 102,457,001.45 is: 153,685,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,425.45 : 314,928,638.18 = 102,457,001.45 : x
  2. Step 2: Convert to fraction form
    209,952,425.45/314,928,638.18 = 102,457,001.45/x
  3. Step 3: Cross multiply
    209,952,425.45x = 314,928,638.18 × 102,457,001.45
  4. Step 4: Simplify right side
    209,952,425.45x = 32,266,643,938,142,504
  5. Step 5: Solve for x
    x = 32,266,643,938,142,504/209,952,425.45
  6. Step 6: Final answer
    x = 153,685,502.18

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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.