Home / 65,406,988.81-90,263,690.15-37,534,798.75

Finding the Fourth Proportional to 65,406,988.81, 90,263,690.15 and 37,534,798.75

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Solution

The fourth proportional to 65,406,988.81, 90,263,690.15 and 37,534,798.75 is: 51,799,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,406,988.81 : 90,263,690.15 = 37,534,798.75 : x
  2. Step 2: Convert to fraction form
    65,406,988.81/90,263,690.15 = 37,534,798.75/x
  3. Step 3: Cross multiply
    65,406,988.81x = 90,263,690.15 × 37,534,798.75
  4. Step 4: Simplify right side
    65,406,988.81x = 3,388,029,443,761,289
  5. Step 5: Solve for x
    x = 3,388,029,443,761,289/65,406,988.81
  6. Step 6: Final answer
    x = 51,799,196.16

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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.