Home / 56,692,700.65-78,194,157.25-42,754,643.22

Finding the Fourth Proportional to 56,692,700.65, 78,194,157.25 and 42,754,643.22

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Solution

The fourth proportional to 56,692,700.65, 78,194,157.25 and 42,754,643.22 is: 58,969,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692,700.65 : 78,194,157.25 = 42,754,643.22 : x
  2. Step 2: Convert to fraction form
    56,692,700.65/78,194,157.25 = 42,754,643.22/x
  3. Step 3: Cross multiply
    56,692,700.65x = 78,194,157.25 × 42,754,643.22
  4. Step 4: Simplify right side
    56,692,700.65x = 3,343,163,294,507,583
  5. Step 5: Solve for x
    x = 3,343,163,294,507,583/56,692,700.65
  6. Step 6: Final answer
    x = 58,969,907.17

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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.