Home / 65,779,220.74-90,773,278.14-37,901,988.58

Finding the Fourth Proportional to 65,779,220.74, 90,773,278.14 and 37,901,988.58

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Solution

The fourth proportional to 65,779,220.74, 90,773,278.14 and 37,901,988.58 is: 52,303,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,779,220.74 : 90,773,278.14 = 37,901,988.58 : x
  2. Step 2: Convert to fraction form
    65,779,220.74/90,773,278.14 = 37,901,988.58/x
  3. Step 3: Cross multiply
    65,779,220.74x = 90,773,278.14 × 37,901,988.58
  4. Step 4: Simplify right side
    65,779,220.74x = 3,440,487,751,431,443.50
  5. Step 5: Solve for x
    x = 3,440,487,751,431,443.50/65,779,220.74
  6. Step 6: Final answer
    x = 52,303,565.06

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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.