Home / 178,768,953.60-268,128,547.20-57,612,652.80

Finding the Fourth Proportional to 178,768,953.60, 268,128,547.20 and 57,612,652.80

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Solution

The fourth proportional to 178,768,953.60, 268,128,547.20 and 57,612,652.80 is: 86,410,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,768,953.60 : 268,128,547.20 = 57,612,652.80 : x
  2. Step 2: Convert to fraction form
    178,768,953.60/268,128,547.20 = 57,612,652.80/x
  3. Step 3: Cross multiply
    178,768,953.60x = 268,128,547.20 × 57,612,652.80
  4. Step 4: Simplify right side
    178,768,953.60x = 15,447,596,895,602,010
  5. Step 5: Solve for x
    x = 15,447,596,895,602,010/178,768,953.60
  6. Step 6: Final answer
    x = 86,410,959.98

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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.