Home / 157,778,461.81-236,667,693.30-42,763,004.29

Finding the Fourth Proportional to 157,778,461.81, 236,667,693.30 and 42,763,004.29

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Solution

The fourth proportional to 157,778,461.81, 236,667,693.30 and 42,763,004.29 is: 64,144,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778,461.81 : 236,667,693.30 = 42,763,004.29 : x
  2. Step 2: Convert to fraction form
    157,778,461.81/236,667,693.30 = 42,763,004.29/x
  3. Step 3: Cross multiply
    157,778,461.81x = 236,667,693.30 × 42,763,004.29
  4. Step 4: Simplify right side
    157,778,461.81x = 10,120,621,583,892,304
  5. Step 5: Solve for x
    x = 10,120,621,583,892,304/157,778,461.81
  6. Step 6: Final answer
    x = 64,144,506.59

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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.