Home / 129,482,079.94-178,683,184.98-70,743,483.82

Finding the Fourth Proportional to 129,482,079.94, 178,683,184.98 and 70,743,483.82

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Solution

The fourth proportional to 129,482,079.94, 178,683,184.98 and 70,743,483.82 is: 97,624,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482,079.94 : 178,683,184.98 = 70,743,483.82 : x
  2. Step 2: Convert to fraction form
    129,482,079.94/178,683,184.98 = 70,743,483.82/x
  3. Step 3: Cross multiply
    129,482,079.94x = 178,683,184.98 × 70,743,483.82
  4. Step 4: Simplify right side
    129,482,079.94x = 12,640,671,005,538,694
  5. Step 5: Solve for x
    x = 12,640,671,005,538,694/129,482,079.94
  6. Step 6: Final answer
    x = 97,624,868.33

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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.