Home / 268,730,013.60-403,095,020.40-115,349,968.80

Finding the Fourth Proportional to 268,730,013.60, 403,095,020.40 and 115,349,968.80

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Solution

The fourth proportional to 268,730,013.60, 403,095,020.40 and 115,349,968.80 is: 173,024,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,730,013.60 : 403,095,020.40 = 115,349,968.80 : x
  2. Step 2: Convert to fraction form
    268,730,013.60/403,095,020.40 = 115,349,968.80/x
  3. Step 3: Cross multiply
    268,730,013.60x = 403,095,020.40 × 115,349,968.80
  4. Step 4: Simplify right side
    268,730,013.60x = 46,496,998,026,575,360
  5. Step 5: Solve for x
    x = 46,496,998,026,575,360/268,730,013.60
  6. Step 6: Final answer
    x = 173,024,953.20

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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.