Home / 112,397,491.41-168,607,802.42-42,426,656.13

Finding the Fourth Proportional to 112,397,491.41, 168,607,802.42 and 42,426,656.13

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Solution

The fourth proportional to 112,397,491.41, 168,607,802.42 and 42,426,656.13 is: 63,644,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,397,491.41 : 168,607,802.42 = 42,426,656.13 : x
  2. Step 2: Convert to fraction form
    112,397,491.41/168,607,802.42 = 42,426,656.13/x
  3. Step 3: Cross multiply
    112,397,491.41x = 168,607,802.42 × 42,426,656.13
  4. Step 4: Simplify right side
    112,397,491.41x = 7,153,465,254,926,005
  5. Step 5: Solve for x
    x = 7,153,465,254,926,005/112,397,491.41
  6. Step 6: Final answer
    x = 63,644,349.76

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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.