Home / 292,570,547.41-438,809,105.50-85,260,465.96

Finding the Fourth Proportional to 292,570,547.41, 438,809,105.50 and 85,260,465.96

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Solution

The fourth proportional to 292,570,547.41, 438,809,105.50 and 85,260,465.96 is: 127,877,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,570,547.41 : 438,809,105.50 = 85,260,465.96 : x
  2. Step 2: Convert to fraction form
    292,570,547.41/438,809,105.50 = 85,260,465.96/x
  3. Step 3: Cross multiply
    292,570,547.41x = 438,809,105.50 × 85,260,465.96
  4. Step 4: Simplify right side
    292,570,547.41x = 37,413,068,802,207,648
  5. Step 5: Solve for x
    x = 37,413,068,802,207,648/292,570,547.41
  6. Step 6: Final answer
    x = 127,877,085.15

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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.