Home / 85,754,976.15-118,339,788.47-48,075,643.47

Finding the Fourth Proportional to 85,754,976.15, 118,339,788.47 and 48,075,643.47

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Solution

The fourth proportional to 85,754,976.15, 118,339,788.47 and 48,075,643.47 is: 66,343,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,754,976.15 : 118,339,788.47 = 48,075,643.47 : x
  2. Step 2: Convert to fraction form
    85,754,976.15/118,339,788.47 = 48,075,643.47/x
  3. Step 3: Cross multiply
    85,754,976.15x = 118,339,788.47 × 48,075,643.47
  4. Step 4: Simplify right side
    85,754,976.15x = 5,689,261,478,558,559
  5. Step 5: Solve for x
    x = 5,689,261,478,558,559/85,754,976.15
  6. Step 6: Final answer
    x = 66,343,222.68

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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.