Home / 134,849,875.68-186,093,151.92-72,970,878.24

Finding the Fourth Proportional to 134,849,875.68, 186,093,151.92 and 72,970,878.24

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Solution

The fourth proportional to 134,849,875.68, 186,093,151.92 and 72,970,878.24 is: 100,699,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,849,875.68 : 186,093,151.92 = 72,970,878.24 : x
  2. Step 2: Convert to fraction form
    134,849,875.68/186,093,151.92 = 72,970,878.24/x
  3. Step 3: Cross multiply
    134,849,875.68x = 186,093,151.92 × 72,970,878.24
  4. Step 4: Simplify right side
    134,849,875.68x = 13,579,380,730,052,140
  5. Step 5: Solve for x
    x = 13,579,380,730,052,140/134,849,875.68
  6. Step 6: Final answer
    x = 100,699,987.02

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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.