Home / 309,176,280.18-426,658,484.70-169,944,050.16

Finding the Fourth Proportional to 309,176,280.18, 426,658,484.70 and 169,944,050.16

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Solution

The fourth proportional to 309,176,280.18, 426,658,484.70 and 169,944,050.16 is: 234,520,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,176,280.18 : 426,658,484.70 = 169,944,050.16 : x
  2. Step 2: Convert to fraction form
    309,176,280.18/426,658,484.70 = 169,944,050.16/x
  3. Step 3: Cross multiply
    309,176,280.18x = 426,658,484.70 × 169,944,050.16
  4. Step 4: Simplify right side
    309,176,280.18x = 72,508,070,925,046,384
  5. Step 5: Solve for x
    x = 72,508,070,925,046,384/309,176,280.18
  6. Step 6: Final answer
    x = 234,520,160.74

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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.