Home / 81,869,428.32-112,989,718.13-46,595,809.71

Finding the Fourth Proportional to 81,869,428.32, 112,989,718.13 and 46,595,809.71

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Solution

The fourth proportional to 81,869,428.32, 112,989,718.13 and 46,595,809.71 is: 64,307,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869,428.32 : 112,989,718.13 = 46,595,809.71 : x
  2. Step 2: Convert to fraction form
    81,869,428.32/112,989,718.13 = 46,595,809.71/x
  3. Step 3: Cross multiply
    81,869,428.32x = 112,989,718.13 × 46,595,809.71
  4. Step 4: Simplify right side
    81,869,428.32x = 5,264,847,404,939,038
  5. Step 5: Solve for x
    x = 5,264,847,404,939,038/81,869,428.32
  6. Step 6: Final answer
    x = 64,307,855.97

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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.