Home / 98,425,010.90-135,830,641.74-56,609,087.78

Finding the Fourth Proportional to 98,425,010.90, 135,830,641.74 and 56,609,087.78

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Solution

The fourth proportional to 98,425,010.90, 135,830,641.74 and 56,609,087.78 is: 78,122,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,425,010.90 : 135,830,641.74 = 56,609,087.78 : x
  2. Step 2: Convert to fraction form
    98,425,010.90/135,830,641.74 = 56,609,087.78/x
  3. Step 3: Cross multiply
    98,425,010.90x = 135,830,641.74 × 56,609,087.78
  4. Step 4: Simplify right side
    98,425,010.90x = 7,689,248,721,473,393
  5. Step 5: Solve for x
    x = 7,689,248,721,473,393/98,425,010.90
  6. Step 6: Final answer
    x = 78,122,914.60

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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.