Home / 56,943,266.47-78,581,316.44-30,837,186.89

Finding the Fourth Proportional to 56,943,266.47, 78,581,316.44 and 30,837,186.89

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Solution

The fourth proportional to 56,943,266.47, 78,581,316.44 and 30,837,186.89 is: 42,555,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943,266.47 : 78,581,316.44 = 30,837,186.89 : x
  2. Step 2: Convert to fraction form
    56,943,266.47/78,581,316.44 = 30,837,186.89/x
  3. Step 3: Cross multiply
    56,943,266.47x = 78,581,316.44 × 30,837,186.89
  4. Step 4: Simplify right side
    56,943,266.47x = 2,423,226,740,968,323.50
  5. Step 5: Solve for x
    x = 2,423,226,740,968,323.50/56,943,266.47
  6. Step 6: Final answer
    x = 42,555,106.01

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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.