Home / 290,756,621.84-401,245,385.60-158,600,498.40

Finding the Fourth Proportional to 290,756,621.84, 401,245,385.60 and 158,600,498.40

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Solution

The fourth proportional to 290,756,621.84, 401,245,385.60 and 158,600,498.40 is: 218,869,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,756,621.84 : 401,245,385.60 = 158,600,498.40 : x
  2. Step 2: Convert to fraction form
    290,756,621.84/401,245,385.60 = 158,600,498.40/x
  3. Step 3: Cross multiply
    290,756,621.84x = 401,245,385.60 × 158,600,498.40
  4. Step 4: Simplify right side
    290,756,621.84x = 63,637,718,136,860,192
  5. Step 5: Solve for x
    x = 63,637,718,136,860,192/290,756,621.84
  6. Step 6: Final answer
    x = 218,869,368.25

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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.