Home / 89,155,263.21-133,746,182.81-31,642,718.19

Finding the Fourth Proportional to 89,155,263.21, 133,746,182.81 and 31,642,718.19

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Solution

The fourth proportional to 89,155,263.21, 133,746,182.81 and 31,642,718.19 is: 47,468,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,155,263.21 : 133,746,182.81 = 31,642,718.19 : x
  2. Step 2: Convert to fraction form
    89,155,263.21/133,746,182.81 = 31,642,718.19/x
  3. Step 3: Cross multiply
    89,155,263.21x = 133,746,182.81 × 31,642,718.19
  4. Step 4: Simplify right side
    89,155,263.21x = 4,232,092,771,103,951
  5. Step 5: Solve for x
    x = 4,232,092,771,103,951/89,155,263.21
  6. Step 6: Final answer
    x = 47,468,793.42

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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.