Home / 145,498,054.01-200,757,341.63-83,606,435.15

Finding the Fourth Proportional to 145,498,054.01, 200,757,341.63 and 83,606,435.15

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Solution

The fourth proportional to 145,498,054.01, 200,757,341.63 and 83,606,435.15 is: 115,359,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,498,054.01 : 200,757,341.63 = 83,606,435.15 : x
  2. Step 2: Convert to fraction form
    145,498,054.01/200,757,341.63 = 83,606,435.15/x
  3. Step 3: Cross multiply
    145,498,054.01x = 200,757,341.63 × 83,606,435.15
  4. Step 4: Simplify right side
    145,498,054.01x = 16,784,605,663,080,218
  5. Step 5: Solve for x
    x = 16,784,605,663,080,218/145,498,054.01
  6. Step 6: Final answer
    x = 115,359,657.40

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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.