Home / 91,539,430.18-126,357,561.84-60,609,563.98

Finding the Fourth Proportional to 91,539,430.18, 126,357,561.84 and 60,609,563.98

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Solution

The fourth proportional to 91,539,430.18, 126,357,561.84 and 60,609,563.98 is: 83,663,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539,430.18 : 126,357,561.84 = 60,609,563.98 : x
  2. Step 2: Convert to fraction form
    91,539,430.18/126,357,561.84 = 60,609,563.98/x
  3. Step 3: Cross multiply
    91,539,430.18x = 126,357,561.84 × 60,609,563.98
  4. Step 4: Simplify right side
    91,539,430.18x = 7,658,476,728,698,286
  5. Step 5: Solve for x
    x = 7,658,476,728,698,286/91,539,430.18
  6. Step 6: Final answer
    x = 83,663,146.18

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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.