Home / 208,386,529.10-287,637,805.52-134,047,091.26

Finding the Fourth Proportional to 208,386,529.10, 287,637,805.52 and 134,047,091.26

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Solution

The fourth proportional to 208,386,529.10, 287,637,805.52 and 134,047,091.26 is: 185,026,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,386,529.10 : 287,637,805.52 = 134,047,091.26 : x
  2. Step 2: Convert to fraction form
    208,386,529.10/287,637,805.52 = 134,047,091.26/x
  3. Step 3: Cross multiply
    208,386,529.10x = 287,637,805.52 × 134,047,091.26
  4. Step 4: Simplify right side
    208,386,529.10x = 38,557,011,166,365,568
  5. Step 5: Solve for x
    x = 38,557,011,166,365,568/208,386,529.10
  6. Step 6: Final answer
    x = 185,026,409.01

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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.