Home / 118,759,339.92-178,168,681.26-83,812,688.70

Finding the Fourth Proportional to 118,759,339.92, 178,168,681.26 and 83,812,688.70

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Solution

The fourth proportional to 118,759,339.92, 178,168,681.26 and 83,812,688.70 is: 125,739,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,759,339.92 : 178,168,681.26 = 83,812,688.70 : x
  2. Step 2: Convert to fraction form
    118,759,339.92/178,168,681.26 = 83,812,688.70/x
  3. Step 3: Cross multiply
    118,759,339.92x = 178,168,681.26 × 83,812,688.70
  4. Step 4: Simplify right side
    118,759,339.92x = 14,932,796,218,533,904
  5. Step 5: Solve for x
    x = 14,932,796,218,533,904/118,759,339.92
  6. Step 6: Final answer
    x = 125,739,973.20

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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.