Home / 242,979,196.29-364,484,956.02-85,393,151.70

Finding the Fourth Proportional to 242,979,196.29, 364,484,956.02 and 85,393,151.70

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Solution

The fourth proportional to 242,979,196.29, 364,484,956.02 and 85,393,151.70 is: 128,095,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,979,196.29 : 364,484,956.02 = 85,393,151.70 : x
  2. Step 2: Convert to fraction form
    242,979,196.29/364,484,956.02 = 85,393,151.70/x
  3. Step 3: Cross multiply
    242,979,196.29x = 364,484,956.02 × 85,393,151.70
  4. Step 4: Simplify right side
    242,979,196.29x = 31,124,519,141,783,688
  5. Step 5: Solve for x
    x = 31,124,519,141,783,688/242,979,196.29
  6. Step 6: Final answer
    x = 128,095,407.41

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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.