Home / 105,556,572.02-145,581,695.43-74,298,098.13

Finding the Fourth Proportional to 105,556,572.02, 145,581,695.43 and 74,298,098.13

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Solution

The fourth proportional to 105,556,572.02, 145,581,695.43 and 74,298,098.13 is: 102,470,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,556,572.02 : 145,581,695.43 = 74,298,098.13 : x
  2. Step 2: Convert to fraction form
    105,556,572.02/145,581,695.43 = 74,298,098.13/x
  3. Step 3: Cross multiply
    105,556,572.02x = 145,581,695.43 × 74,298,098.13
  4. Step 4: Simplify right side
    105,556,572.02x = 10,816,443,092,989,912
  5. Step 5: Solve for x
    x = 10,816,443,092,989,912/105,556,572.02
  6. Step 6: Final answer
    x = 102,470,579.39

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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.