Home / 208,457,308,333.68-312,543,213,730.02-106,155,875,139.36

Finding the Fourth Proportional to 208,457,308,333.68, 312,543,213,730.02 and 106,155,875,139.36

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Solution

The fourth proportional to 208,457,308,333.68, 312,543,213,730.02 and 106,155,875,139.36 is: 159,161,118,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,457,308,333.68 : 312,543,213,730.02 = 106,155,875,139.36 : x
  2. Step 2: Convert to fraction form
    208,457,308,333.68/312,543,213,730.02 = 106,155,875,139.36/x
  3. Step 3: Cross multiply
    208,457,308,333.68x = 312,543,213,730.02 × 106,155,875,139.36
  4. Step 4: Simplify right side
    208,457,308,333.68x = 33,178,298,372,378,312,310,784
  5. Step 5: Solve for x
    x = 33,178,298,372,378,312,310,784/208,457,308,333.68
  6. Step 6: Final answer
    x = 159,161,118,588.70

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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.