Home / 121,547,683,218-167,736,787,702.32-67,355,137,074.66

Finding the Fourth Proportional to 121,547,683,218, 167,736,787,702.32 and 67,355,137,074.66

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Solution

The fourth proportional to 121,547,683,218, 167,736,787,702.32 and 67,355,137,074.66 is: 92,950,634,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,547,683,218 : 167,736,787,702.32 = 67,355,137,074.66 : x
  2. Step 2: Convert to fraction form
    121,547,683,218/167,736,787,702.32 = 67,355,137,074.66/x
  3. Step 3: Cross multiply
    121,547,683,218x = 167,736,787,702.32 × 67,355,137,074.66
  4. Step 4: Simplify right side
    121,547,683,218x = 11,297,934,328,152,908,103,680
  5. Step 5: Solve for x
    x = 11,297,934,328,152,908,103,680/121,547,683,218
  6. Step 6: Final answer
    x = 92,950,634,919.87

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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.