Home / 72,460,661.77-99,996,148.08-39,421,147.35

Finding the Fourth Proportional to 72,460,661.77, 99,996,148.08 and 39,421,147.35

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Solution

The fourth proportional to 72,460,661.77, 99,996,148.08 and 39,421,147.35 is: 54,401,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460,661.77 : 99,996,148.08 = 39,421,147.35 : x
  2. Step 2: Convert to fraction form
    72,460,661.77/99,996,148.08 = 39,421,147.35/x
  3. Step 3: Cross multiply
    72,460,661.77x = 99,996,148.08 × 39,421,147.35
  4. Step 4: Simplify right side
    72,460,661.77x = 3,941,962,887,795,547
  5. Step 5: Solve for x
    x = 3,941,962,887,795,547/72,460,661.77
  6. Step 6: Final answer
    x = 54,401,419.91

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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.