Home / 145,675,348.10-218,513,022.15-99,758,845.70

Finding the Fourth Proportional to 145,675,348.10, 218,513,022.15 and 99,758,845.70

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Solution

The fourth proportional to 145,675,348.10, 218,513,022.15 and 99,758,845.70 is: 149,638,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,675,348.10 : 218,513,022.15 = 99,758,845.70 : x
  2. Step 2: Convert to fraction form
    145,675,348.10/218,513,022.15 = 99,758,845.70/x
  3. Step 3: Cross multiply
    145,675,348.10x = 218,513,022.15 × 99,758,845.70
  4. Step 4: Simplify right side
    145,675,348.10x = 21,798,606,860,102,532
  5. Step 5: Solve for x
    x = 21,798,606,860,102,532/145,675,348.10
  6. Step 6: Final answer
    x = 149,638,268.55

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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.