Home / 134,764,543.07-185,975,069.73-72,884,881.63

Finding the Fourth Proportional to 134,764,543.07, 185,975,069.73 and 72,884,881.63

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Solution

The fourth proportional to 134,764,543.07, 185,975,069.73 and 72,884,881.63 is: 100,581,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764,543.07 : 185,975,069.73 = 72,884,881.63 : x
  2. Step 2: Convert to fraction form
    134,764,543.07/185,975,069.73 = 72,884,881.63/x
  3. Step 3: Cross multiply
    134,764,543.07x = 185,975,069.73 × 72,884,881.63
  4. Step 4: Simplify right side
    134,764,543.07x = 13,554,770,943,402,044
  5. Step 5: Solve for x
    x = 13,554,770,943,402,044/134,764,543.07
  6. Step 6: Final answer
    x = 100,581,136.81

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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.