Home / 319,264,005.60-478,896,008.40-114,798,751.20

Finding the Fourth Proportional to 319,264,005.60, 478,896,008.40 and 114,798,751.20

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Solution

The fourth proportional to 319,264,005.60, 478,896,008.40 and 114,798,751.20 is: 172,198,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,264,005.60 : 478,896,008.40 = 114,798,751.20 : x
  2. Step 2: Convert to fraction form
    319,264,005.60/478,896,008.40 = 114,798,751.20/x
  3. Step 3: Cross multiply
    319,264,005.60x = 478,896,008.40 × 114,798,751.20
  4. Step 4: Simplify right side
    319,264,005.60x = 54,976,663,718,984,712
  5. Step 5: Solve for x
    x = 54,976,663,718,984,712/319,264,005.60
  6. Step 6: Final answer
    x = 172,198,126.80

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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.