Home / 123,751,598,897.65-185,495,238,415.80-70,578,136,782.41

Finding the Fourth Proportional to 123,751,598,897.65, 185,495,238,415.80 and 70,578,136,782.41

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Solution

The fourth proportional to 123,751,598,897.65, 185,495,238,415.80 and 70,578,136,782.41 is: 105,791,831,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,751,598,897.65 : 185,495,238,415.80 = 70,578,136,782.41 : x
  2. Step 2: Convert to fraction form
    123,751,598,897.65/185,495,238,415.80 = 70,578,136,782.41/x
  3. Step 3: Cross multiply
    123,751,598,897.65x = 185,495,238,415.80 × 70,578,136,782.41
  4. Step 4: Simplify right side
    123,751,598,897.65x = 13,091,908,309,395,158,597,632
  5. Step 5: Solve for x
    x = 13,091,908,309,395,158,597,632/123,751,598,897.65
  6. Step 6: Final answer
    x = 105,791,831,588.56

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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.