Home / 292,570,547.91-438,809,106.25-85,260,466.46

Finding the Fourth Proportional to 292,570,547.91, 438,809,106.25 and 85,260,466.46

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Solution

The fourth proportional to 292,570,547.91, 438,809,106.25 and 85,260,466.46 is: 127,877,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,570,547.91 : 438,809,106.25 = 85,260,466.46 : x
  2. Step 2: Convert to fraction form
    292,570,547.91/438,809,106.25 = 85,260,466.46/x
  3. Step 3: Cross multiply
    292,570,547.91x = 438,809,106.25 × 85,260,466.46
  4. Step 4: Simplify right side
    292,570,547.91x = 37,413,069,085,344,400
  5. Step 5: Solve for x
    x = 37,413,069,085,344,400/292,570,547.91
  6. Step 6: Final answer
    x = 127,877,085.89

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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.