Home / 153,920,393.40-231,248,919.38-98,696,424.62

Finding the Fourth Proportional to 153,920,393.40, 231,248,919.38 and 98,696,424.62

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Solution

The fourth proportional to 153,920,393.40, 231,248,919.38 and 98,696,424.62 is: 148,280,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,920,393.40 : 231,248,919.38 = 98,696,424.62 : x
  2. Step 2: Convert to fraction form
    153,920,393.40/231,248,919.38 = 98,696,424.62/x
  3. Step 3: Cross multiply
    153,920,393.40x = 231,248,919.38 × 98,696,424.62
  4. Step 4: Simplify right side
    153,920,393.40x = 22,823,441,540,044,628
  5. Step 5: Solve for x
    x = 22,823,441,540,044,628/153,920,393.40
  6. Step 6: Final answer
    x = 148,280,816.05

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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.