Home / 64,756,085.80-97,121,687.10-19,319,362.60

Finding the Fourth Proportional to 64,756,085.80, 97,121,687.10 and 19,319,362.60

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Solution

The fourth proportional to 64,756,085.80, 97,121,687.10 and 19,319,362.60 is: 28,975,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756,085.80 : 97,121,687.10 = 19,319,362.60 : x
  2. Step 2: Convert to fraction form
    64,756,085.80/97,121,687.10 = 19,319,362.60/x
  3. Step 3: Cross multiply
    64,756,085.80x = 97,121,687.10 × 19,319,362.60
  4. Step 4: Simplify right side
    64,756,085.80x = 1,876,329,089,408,642.50
  5. Step 5: Solve for x
    x = 1,876,329,089,408,642.50/64,756,085.80
  6. Step 6: Final answer
    x = 28,975,332.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.