Home / 98,997,681,315.48-148,507,148,784.84-42,343,428,236.28

Finding the Fourth Proportional to 98,997,681,315.48, 148,507,148,784.84 and 42,343,428,236.28

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Solution

The fourth proportional to 98,997,681,315.48, 148,507,148,784.84 and 42,343,428,236.28 is: 63,519,687,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,997,681,315.48 : 148,507,148,784.84 = 42,343,428,236.28 : x
  2. Step 2: Convert to fraction form
    98,997,681,315.48/148,507,148,784.84 = 42,343,428,236.28/x
  3. Step 3: Cross multiply
    98,997,681,315.48x = 148,507,148,784.84 × 42,343,428,236.28
  4. Step 4: Simplify right side
    98,997,681,315.48x = 6,288,301,797,145,428,623,360
  5. Step 5: Solve for x
    x = 6,288,301,797,145,428,623,360/98,997,681,315.48
  6. Step 6: Final answer
    x = 63,519,687,669.31

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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.