Home / 145,411,340.20-218,117,010.30-99,494,837.80

Finding the Fourth Proportional to 145,411,340.20, 218,117,010.30 and 99,494,837.80

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Solution

The fourth proportional to 145,411,340.20, 218,117,010.30 and 99,494,837.80 is: 149,242,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,411,340.20 : 218,117,010.30 = 99,494,837.80 : x
  2. Step 2: Convert to fraction form
    145,411,340.20/218,117,010.30 = 99,494,837.80/x
  3. Step 3: Cross multiply
    145,411,340.20x = 218,117,010.30 × 99,494,837.80
  4. Step 4: Simplify right side
    145,411,340.20x = 21,701,516,561,219,428
  5. Step 5: Solve for x
    x = 21,701,516,561,219,428/145,411,340.20
  6. Step 6: Final answer
    x = 149,242,256.70

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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.