Home / 51,621,296.42-71,238,295.02-28,100,509.40

Finding the Fourth Proportional to 51,621,296.42, 71,238,295.02 and 28,100,509.40

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Solution

The fourth proportional to 51,621,296.42, 71,238,295.02 and 28,100,509.40 is: 38,779,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621,296.42 : 71,238,295.02 = 28,100,509.40 : x
  2. Step 2: Convert to fraction form
    51,621,296.42/71,238,295.02 = 28,100,509.40/x
  3. Step 3: Cross multiply
    51,621,296.42x = 71,238,295.02 × 28,100,509.40
  4. Step 4: Simplify right side
    51,621,296.42x = 2,001,832,378,849,483
  5. Step 5: Solve for x
    x = 2,001,832,378,849,483/51,621,296.42
  6. Step 6: Final answer
    x = 38,779,196.14

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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.