Home / 238,465,721.60-357,698,582.40-208,232,633.60

Finding the Fourth Proportional to 238,465,721.60, 357,698,582.40 and 208,232,633.60

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Solution

The fourth proportional to 238,465,721.60, 357,698,582.40 and 208,232,633.60 is: 312,348,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,465,721.60 : 357,698,582.40 = 208,232,633.60 : x
  2. Step 2: Convert to fraction form
    238,465,721.60/357,698,582.40 = 208,232,633.60/x
  3. Step 3: Cross multiply
    238,465,721.60x = 357,698,582.40 × 208,232,633.60
  4. Step 4: Simplify right side
    238,465,721.60x = 74,484,517,848,138,608
  5. Step 5: Solve for x
    x = 74,484,517,848,138,608/238,465,721.60
  6. Step 6: Final answer
    x = 312,348,950.40

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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.