Home / 104,807,681.76-144,635,174.40-60,780,784.08

Finding the Fourth Proportional to 104,807,681.76, 144,635,174.40 and 60,780,784.08

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Solution

The fourth proportional to 104,807,681.76, 144,635,174.40 and 60,780,784.08 is: 83,877,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,807,681.76 : 144,635,174.40 = 60,780,784.08 : x
  2. Step 2: Convert to fraction form
    104,807,681.76/144,635,174.40 = 60,780,784.08/x
  3. Step 3: Cross multiply
    104,807,681.76x = 144,635,174.40 × 60,780,784.08
  4. Step 4: Simplify right side
    104,807,681.76x = 8,791,039,305,579,544
  5. Step 5: Solve for x
    x = 8,791,039,305,579,544/104,807,681.76
  6. Step 6: Final answer
    x = 83,877,814.66

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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.