Home / 61,816,918.76-85,303,080.57-34,312,681.88

Finding the Fourth Proportional to 61,816,918.76, 85,303,080.57 and 34,312,681.88

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Solution

The fourth proportional to 61,816,918.76, 85,303,080.57 and 34,312,681.88 is: 47,349,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,816,918.76 : 85,303,080.57 = 34,312,681.88 : x
  2. Step 2: Convert to fraction form
    61,816,918.76/85,303,080.57 = 34,312,681.88/x
  3. Step 3: Cross multiply
    61,816,918.76x = 85,303,080.57 × 34,312,681.88
  4. Step 4: Simplify right side
    61,816,918.76x = 2,926,977,466,555,903.50
  5. Step 5: Solve for x
    x = 2,926,977,466,555,903.50/61,816,918.76
  6. Step 6: Final answer
    x = 47,349,132.33

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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.