Home / 340,254,554.40-510,381,831.60-158,520,103.20

Finding the Fourth Proportional to 340,254,554.40, 510,381,831.60 and 158,520,103.20

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Solution

The fourth proportional to 340,254,554.40, 510,381,831.60 and 158,520,103.20 is: 237,780,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,254,554.40 : 510,381,831.60 = 158,520,103.20 : x
  2. Step 2: Convert to fraction form
    340,254,554.40/510,381,831.60 = 158,520,103.20/x
  3. Step 3: Cross multiply
    340,254,554.40x = 510,381,831.60 × 158,520,103.20
  4. Step 4: Simplify right side
    340,254,554.40x = 80,905,780,616,637,024
  5. Step 5: Solve for x
    x = 80,905,780,616,637,024/340,254,554.40
  6. Step 6: Final answer
    x = 237,780,154.80

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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.