Home / 400,156,972.40-600,086,159.40-157,769,721.20

Finding the Fourth Proportional to 400,156,972.40, 600,086,159.40 and 157,769,721.20

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Solution

The fourth proportional to 400,156,972.40, 600,086,159.40 and 157,769,721.20 is: 236,595,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,156,972.40 : 600,086,159.40 = 157,769,721.20 : x
  2. Step 2: Convert to fraction form
    400,156,972.40/600,086,159.40 = 157,769,721.20/x
  3. Step 3: Cross multiply
    400,156,972.40x = 600,086,159.40 × 157,769,721.20
  4. Step 4: Simplify right side
    400,156,972.40x = 94,675,426,064,516,752
  5. Step 5: Solve for x
    x = 94,675,426,064,516,752/400,156,972.40
  6. Step 6: Final answer
    x = 236,595,717.67

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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.