Home / 212,798,925.53-293,662,384.59-115,013,781.53

Finding the Fourth Proportional to 212,798,925.53, 293,662,384.59 and 115,013,781.53

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Solution

The fourth proportional to 212,798,925.53, 293,662,384.59 and 115,013,781.53 is: 158,718,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,798,925.53 : 293,662,384.59 = 115,013,781.53 : x
  2. Step 2: Convert to fraction form
    212,798,925.53/293,662,384.59 = 115,013,781.53/x
  3. Step 3: Cross multiply
    212,798,925.53x = 293,662,384.59 × 115,013,781.53
  4. Step 4: Simplify right side
    212,798,925.53x = 33,775,221,344,229,792
  5. Step 5: Solve for x
    x = 33,775,221,344,229,792/212,798,925.53
  6. Step 6: Final answer
    x = 158,718,946.82

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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.