Home / 254,641,087,388.66-351,405,793,084.47-138,900,369,291.80

Finding the Fourth Proportional to 254,641,087,388.66, 351,405,793,084.47 and 138,900,369,291.80

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Solution

The fourth proportional to 254,641,087,388.66, 351,405,793,084.47 and 138,900,369,291.80 is: 191,683,105,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,087,388.66 : 351,405,793,084.47 = 138,900,369,291.80 : x
  2. Step 2: Convert to fraction form
    254,641,087,388.66/351,405,793,084.47 = 138,900,369,291.80/x
  3. Step 3: Cross multiply
    254,641,087,388.66x = 351,405,793,084.47 × 138,900,369,291.80
  4. Step 4: Simplify right side
    254,641,087,388.66x = 48,810,394,430,710,730,457,088
  5. Step 5: Solve for x
    x = 48,810,394,430,710,730,457,088/254,641,087,388.66
  6. Step 6: Final answer
    x = 191,683,105,547.74

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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.