Home / 98,820,961,047.99-136,375,802,962.85-56,000,020,099.64

Finding the Fourth Proportional to 98,820,961,047.99, 136,375,802,962.85 and 56,000,020,099.64

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Solution

The fourth proportional to 98,820,961,047.99, 136,375,802,962.85 and 56,000,020,099.64 is: 77,281,657,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,820,961,047.99 : 136,375,802,962.85 = 56,000,020,099.64 : x
  2. Step 2: Convert to fraction form
    98,820,961,047.99/136,375,802,962.85 = 56,000,020,099.64/x
  3. Step 3: Cross multiply
    98,820,961,047.99x = 136,375,802,962.85 × 56,000,020,099.64
  4. Step 4: Simplify right side
    98,820,961,047.99x = 7,637,047,707,023,462,891,520
  5. Step 5: Solve for x
    x = 7,637,047,707,023,462,891,520/98,820,961,047.99
  6. Step 6: Final answer
    x = 77,281,657,919.87

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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.