Home / 287,301,835.62-431,013,278.28-93,198,094.74

Finding the Fourth Proportional to 287,301,835.62, 431,013,278.28 and 93,198,094.74

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Solution

The fourth proportional to 287,301,835.62, 431,013,278.28 and 93,198,094.74 is: 139,816,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301,835.62 : 431,013,278.28 = 93,198,094.74 : x
  2. Step 2: Convert to fraction form
    287,301,835.62/431,013,278.28 = 93,198,094.74/x
  3. Step 3: Cross multiply
    287,301,835.62x = 431,013,278.28 × 93,198,094.74
  4. Step 4: Simplify right side
    287,301,835.62x = 40,169,616,343,337,416
  5. Step 5: Solve for x
    x = 40,169,616,343,337,416/287,301,835.62
  6. Step 6: Final answer
    x = 139,816,775.82

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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.