Home / 147,295,349.28-220,935,015.40-45,059,386.90

Finding the Fourth Proportional to 147,295,349.28, 220,935,015.40 and 45,059,386.90

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Solution

The fourth proportional to 147,295,349.28, 220,935,015.40 and 45,059,386.90 is: 67,586,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,295,349.28 : 220,935,015.40 = 45,059,386.90 : x
  2. Step 2: Convert to fraction form
    147,295,349.28/220,935,015.40 = 45,059,386.90/x
  3. Step 3: Cross multiply
    147,295,349.28x = 220,935,015.40 × 45,059,386.90
  4. Step 4: Simplify right side
    147,295,349.28x = 9,955,196,338,666,058
  5. Step 5: Solve for x
    x = 9,955,196,338,666,058/147,295,349.28
  6. Step 6: Final answer
    x = 67,586,630.45

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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.