Home / 89,877,558,168.47-123,984,006,751.15-55,572,298,679.51

Finding the Fourth Proportional to 89,877,558,168.47, 123,984,006,751.15 and 55,572,298,679.51

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Solution

The fourth proportional to 89,877,558,168.47, 123,984,006,751.15 and 55,572,298,679.51 is: 76,660,697,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877,558,168.47 : 123,984,006,751.15 = 55,572,298,679.51 : x
  2. Step 2: Convert to fraction form
    89,877,558,168.47/123,984,006,751.15 = 55,572,298,679.51/x
  3. Step 3: Cross multiply
    89,877,558,168.47x = 123,984,006,751.15 × 55,572,298,679.51
  4. Step 4: Simplify right side
    89,877,558,168.47x = 6,890,076,254,656,670,990,336
  5. Step 5: Solve for x
    x = 6,890,076,254,656,670,990,336/89,877,558,168.47
  6. Step 6: Final answer
    x = 76,660,697,008.95

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1.5x scale

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.