Home / 259,437,681.76-358,013,308.44-155,073,293.32

Finding the Fourth Proportional to 259,437,681.76, 358,013,308.44 and 155,073,293.32

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Solution

The fourth proportional to 259,437,681.76, 358,013,308.44 and 155,073,293.32 is: 213,994,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,437,681.76 : 358,013,308.44 = 155,073,293.32 : x
  2. Step 2: Convert to fraction form
    259,437,681.76/358,013,308.44 = 155,073,293.32/x
  3. Step 3: Cross multiply
    259,437,681.76x = 358,013,308.44 × 155,073,293.32
  4. Step 4: Simplify right side
    259,437,681.76x = 55,518,302,792,179,752
  5. Step 5: Solve for x
    x = 55,518,302,792,179,752/259,437,681.76
  6. Step 6: Final answer
    x = 213,994,753.64

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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.