Home / 123,700,569.02-170,702,108.56-68,699,968.46

Finding the Fourth Proportional to 123,700,569.02, 170,702,108.56 and 68,699,968.46

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Solution

The fourth proportional to 123,700,569.02, 170,702,108.56 and 68,699,968.46 is: 94,803,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,569.02 : 170,702,108.56 = 68,699,968.46 : x
  2. Step 2: Convert to fraction form
    123,700,569.02/170,702,108.56 = 68,699,968.46/x
  3. Step 3: Cross multiply
    123,700,569.02x = 170,702,108.56 × 68,699,968.46
  4. Step 4: Simplify right side
    123,700,569.02x = 11,727,229,474,127,496
  5. Step 5: Solve for x
    x = 11,727,229,474,127,496/123,700,569.02
  6. Step 6: Final answer
    x = 94,803,359.17

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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.