Home / 124,756,539.09-187,095,010.02-42,855,668.13

Finding the Fourth Proportional to 124,756,539.09, 187,095,010.02 and 42,855,668.13

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Solution

The fourth proportional to 124,756,539.09, 187,095,010.02 and 42,855,668.13 is: 64,269,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,756,539.09 : 187,095,010.02 = 42,855,668.13 : x
  2. Step 2: Convert to fraction form
    124,756,539.09/187,095,010.02 = 42,855,668.13/x
  3. Step 3: Cross multiply
    124,756,539.09x = 187,095,010.02 × 42,855,668.13
  4. Step 4: Simplify right side
    124,756,539.09x = 8,018,081,658,196,146
  5. Step 5: Solve for x
    x = 8,018,081,658,196,146/124,756,539.09
  6. Step 6: Final answer
    x = 64,269,830.80

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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.