Home / 308,804,856.91-463,222,182.98-101,538,678.80

Finding the Fourth Proportional to 308,804,856.91, 463,222,182.98 and 101,538,678.80

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Solution

The fourth proportional to 308,804,856.91, 463,222,182.98 and 101,538,678.80 is: 152,312,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,804,856.91 : 463,222,182.98 = 101,538,678.80 : x
  2. Step 2: Convert to fraction form
    308,804,856.91/463,222,182.98 = 101,538,678.80/x
  3. Step 3: Cross multiply
    308,804,856.91x = 463,222,182.98 × 101,538,678.80
  4. Step 4: Simplify right side
    308,804,856.91x = 47,034,968,452,052,952
  5. Step 5: Solve for x
    x = 47,034,968,452,052,952/308,804,856.91
  6. Step 6: Final answer
    x = 152,312,916.72

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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.