Home / 103,424,818.02-142,726,681.02-57,014,053.62

Finding the Fourth Proportional to 103,424,818.02, 142,726,681.02 and 57,014,053.62

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Solution

The fourth proportional to 103,424,818.02, 142,726,681.02 and 57,014,053.62 is: 78,679,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,424,818.02 : 142,726,681.02 = 57,014,053.62 : x
  2. Step 2: Convert to fraction form
    103,424,818.02/142,726,681.02 = 57,014,053.62/x
  3. Step 3: Cross multiply
    103,424,818.02x = 142,726,681.02 × 57,014,053.62
  4. Step 4: Simplify right side
    103,424,818.02x = 8,137,426,644,678,917
  5. Step 5: Solve for x
    x = 8,137,426,644,678,917/103,424,818.02
  6. Step 6: Final answer
    x = 78,679,632.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.