Home / 187,488,085.15-261,878,657.45-187,488,085.15

Finding the Fourth Proportional to 187,488,085.15, 261,878,657.45 and 187,488,085.15

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Solution

The fourth proportional to 187,488,085.15, 261,878,657.45 and 187,488,085.15 is: 261,878,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,488,085.15 : 261,878,657.45 = 187,488,085.15 : x
  2. Step 2: Convert to fraction form
    187,488,085.15/261,878,657.45 = 187,488,085.15/x
  3. Step 3: Cross multiply
    187,488,085.15x = 261,878,657.45 × 187,488,085.15
  4. Step 4: Simplify right side
    187,488,085.15x = 49,099,128,026,953,280
  5. Step 5: Solve for x
    x = 49,099,128,026,953,280/187,488,085.15
  6. Step 6: Final answer
    x = 261,878,657.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.