Home / 61,881,818,109.36-92,822,611,298.83-19,389,968,309.69

Finding the Fourth Proportional to 61,881,818,109.36, 92,822,611,298.83 and 19,389,968,309.69

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Solution

The fourth proportional to 61,881,818,109.36, 92,822,611,298.83 and 19,389,968,309.69 is: 29,084,916,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881,818,109.36 : 92,822,611,298.83 = 19,389,968,309.69 : x
  2. Step 2: Convert to fraction form
    61,881,818,109.36/92,822,611,298.83 = 19,389,968,309.69/x
  3. Step 3: Cross multiply
    61,881,818,109.36x = 92,822,611,298.83 × 19,389,968,309.69
  4. Step 4: Simplify right side
    61,881,818,109.36x = 1,799,827,491,506,889,424,896
  5. Step 5: Solve for x
    x = 1,799,827,491,506,889,424,896/61,881,818,109.36
  6. Step 6: Final answer
    x = 29,084,916,159.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.