Home / 57,999,328.52-86,980,384.71-19,129,041.20

Finding the Fourth Proportional to 57,999,328.52, 86,980,384.71 and 19,129,041.20

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Solution

The fourth proportional to 57,999,328.52, 86,980,384.71 and 19,129,041.20 is: 28,687,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999,328.52 : 86,980,384.71 = 19,129,041.20 : x
  2. Step 2: Convert to fraction form
    57,999,328.52/86,980,384.71 = 19,129,041.20/x
  3. Step 3: Cross multiply
    57,999,328.52x = 86,980,384.71 × 19,129,041.20
  4. Step 4: Simplify right side
    57,999,328.52x = 1,663,851,362,709,439.75
  5. Step 5: Solve for x
    x = 1,663,851,362,709,439.75/57,999,328.52
  6. Step 6: Final answer
    x = 28,687,424.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.