Home / 72,301,147.65-99,738,690.53-46,168,188.93

Finding the Fourth Proportional to 72,301,147.65, 99,738,690.53 and 46,168,188.93

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Solution

The fourth proportional to 72,301,147.65, 99,738,690.53 and 46,168,188.93 is: 63,688,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,301,147.65 : 99,738,690.53 = 46,168,188.93 : x
  2. Step 2: Convert to fraction form
    72,301,147.65/99,738,690.53 = 46,168,188.93/x
  3. Step 3: Cross multiply
    72,301,147.65x = 99,738,690.53 × 46,168,188.93
  4. Step 4: Simplify right side
    72,301,147.65x = 4,604,754,707,789,001
  5. Step 5: Solve for x
    x = 4,604,754,707,789,001/72,301,147.65
  6. Step 6: Final answer
    x = 63,688,542.40

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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.