Home / 145,821,703.60-218,732,555.40-59,531,431.60

Finding the Fourth Proportional to 145,821,703.60, 218,732,555.40 and 59,531,431.60

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Solution

The fourth proportional to 145,821,703.60, 218,732,555.40 and 59,531,431.60 is: 89,297,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,821,703.60 : 218,732,555.40 = 59,531,431.60 : x
  2. Step 2: Convert to fraction form
    145,821,703.60/218,732,555.40 = 59,531,431.60/x
  3. Step 3: Cross multiply
    145,821,703.60x = 218,732,555.40 × 59,531,431.60
  4. Step 4: Simplify right side
    145,821,703.60x = 13,021,462,160,488,312
  5. Step 5: Solve for x
    x = 13,021,462,160,488,312/145,821,703.60
  6. Step 6: Final answer
    x = 89,297,147.40

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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.