Home / 105,353,939,616.59-145,388,544,271.44-57,181,992,779.49

Finding the Fourth Proportional to 105,353,939,616.59, 145,388,544,271.44 and 57,181,992,779.49

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Solution

The fourth proportional to 105,353,939,616.59, 145,388,544,271.44 and 57,181,992,779.49 is: 78,911,208,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,353,939,616.59 : 145,388,544,271.44 = 57,181,992,779.49 : x
  2. Step 2: Convert to fraction form
    105,353,939,616.59/145,388,544,271.44 = 57,181,992,779.49/x
  3. Step 3: Cross multiply
    105,353,939,616.59x = 145,388,544,271.44 × 57,181,992,779.49
  4. Step 4: Simplify right side
    105,353,939,616.59x = 8,313,606,688,750,044,184,576
  5. Step 5: Solve for x
    x = 8,313,606,688,750,044,184,576/105,353,939,616.59
  6. Step 6: Final answer
    x = 78,911,208,437.06

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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.