Home / 217,242,210.60-325,863,315.90-53,478,666.45

Finding the Fourth Proportional to 217,242,210.60, 325,863,315.90 and 53,478,666.45

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Solution

The fourth proportional to 217,242,210.60, 325,863,315.90 and 53,478,666.45 is: 80,217,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,242,210.60 : 325,863,315.90 = 53,478,666.45 : x
  2. Step 2: Convert to fraction form
    217,242,210.60/325,863,315.90 = 53,478,666.45/x
  3. Step 3: Cross multiply
    217,242,210.60x = 325,863,315.90 × 53,478,666.45
  4. Step 4: Simplify right side
    217,242,210.60x = 17,426,735,579,307,082
  5. Step 5: Solve for x
    x = 17,426,735,579,307,082/217,242,210.60
  6. Step 6: Final answer
    x = 80,217,999.68

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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.