Home / 137,851,153.66-190,234,593.12-75,971,492.92

Finding the Fourth Proportional to 137,851,153.66, 190,234,593.12 and 75,971,492.92

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Solution

The fourth proportional to 137,851,153.66, 190,234,593.12 and 75,971,492.92 is: 104,840,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,851,153.66 : 190,234,593.12 = 75,971,492.92 : x
  2. Step 2: Convert to fraction form
    137,851,153.66/190,234,593.12 = 75,971,492.92/x
  3. Step 3: Cross multiply
    137,851,153.66x = 190,234,593.12 × 75,971,492.92
  4. Step 4: Simplify right side
    137,851,153.66x = 14,452,406,044,355,162
  5. Step 5: Solve for x
    x = 14,452,406,044,355,162/137,851,153.66
  6. Step 6: Final answer
    x = 104,840,660.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.