Home / 145,071,491.40-217,607,237.10-96,391,495.80

Finding the Fourth Proportional to 145,071,491.40, 217,607,237.10 and 96,391,495.80

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Solution

The fourth proportional to 145,071,491.40, 217,607,237.10 and 96,391,495.80 is: 144,587,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,071,491.40 : 217,607,237.10 = 96,391,495.80 : x
  2. Step 2: Convert to fraction form
    145,071,491.40/217,607,237.10 = 96,391,495.80/x
  3. Step 3: Cross multiply
    145,071,491.40x = 217,607,237.10 × 96,391,495.80
  4. Step 4: Simplify right side
    145,071,491.40x = 20,975,487,080,974,252
  5. Step 5: Solve for x
    x = 20,975,487,080,974,252/145,071,491.40
  6. Step 6: Final answer
    x = 144,587,243.70

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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.