Home / 208,386,521.10-287,637,794.48-134,047,083.26

Finding the Fourth Proportional to 208,386,521.10, 287,637,794.48 and 134,047,083.26

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Solution

The fourth proportional to 208,386,521.10, 287,637,794.48 and 134,047,083.26 is: 185,026,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,386,521.10 : 287,637,794.48 = 134,047,083.26 : x
  2. Step 2: Convert to fraction form
    208,386,521.10/287,637,794.48 = 134,047,083.26/x
  3. Step 3: Cross multiply
    208,386,521.10x = 287,637,794.48 × 134,047,083.26
  4. Step 4: Simplify right side
    208,386,521.10x = 38,557,007,386,437,544
  5. Step 5: Solve for x
    x = 38,557,007,386,437,544/208,386,521.10
  6. Step 6: Final answer
    x = 185,026,397.98

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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.