Home / 83,626,482.63-115,358,055.63-77,708,093.62

Finding the Fourth Proportional to 83,626,482.63, 115,358,055.63 and 77,708,093.62

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Solution

The fourth proportional to 83,626,482.63, 115,358,055.63 and 77,708,093.62 is: 107,193,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,626,482.63 : 115,358,055.63 = 77,708,093.62 : x
  2. Step 2: Convert to fraction form
    83,626,482.63/115,358,055.63 = 77,708,093.62/x
  3. Step 3: Cross multiply
    83,626,482.63x = 115,358,055.63 × 77,708,093.62
  4. Step 4: Simplify right side
    83,626,482.63x = 8,964,254,586,717,208
  5. Step 5: Solve for x
    x = 8,964,254,586,717,208/83,626,482.63
  6. Step 6: Final answer
    x = 107,193,969.00

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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.