Home / 153,666,609.60-212,078,210.40-88,489,214.40

Finding the Fourth Proportional to 153,666,609.60, 212,078,210.40 and 88,489,214.40

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Solution

The fourth proportional to 153,666,609.60, 212,078,210.40 and 88,489,214.40 is: 122,125,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,666,609.60 : 212,078,210.40 = 88,489,214.40 : x
  2. Step 2: Convert to fraction form
    153,666,609.60/212,078,210.40 = 88,489,214.40/x
  3. Step 3: Cross multiply
    153,666,609.60x = 212,078,210.40 × 88,489,214.40
  4. Step 4: Simplify right side
    153,666,609.60x = 18,766,634,229,653,912
  5. Step 5: Solve for x
    x = 18,766,634,229,653,912/153,666,609.60
  6. Step 6: Final answer
    x = 122,125,647.72

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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.