Home / 70,308,798.87-97,026,918.47-38,947,328.22

Finding the Fourth Proportional to 70,308,798.87, 97,026,918.47 and 38,947,328.22

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Solution

The fourth proportional to 70,308,798.87, 97,026,918.47 and 38,947,328.22 is: 53,747,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,798.87 : 97,026,918.47 = 38,947,328.22 : x
  2. Step 2: Convert to fraction form
    70,308,798.87/97,026,918.47 = 38,947,328.22/x
  3. Step 3: Cross multiply
    70,308,798.87x = 97,026,918.47 × 38,947,328.22
  4. Step 4: Simplify right side
    70,308,798.87x = 3,778,939,239,631,533.50
  5. Step 5: Solve for x
    x = 3,778,939,239,631,533.50/70,308,798.87
  6. Step 6: Final answer
    x = 53,747,742.82

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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.