Home / 113,918,952.02-157,208,908.59-61,707,987.66

Finding the Fourth Proportional to 113,918,952.02, 157,208,908.59 and 61,707,987.66

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Solution

The fourth proportional to 113,918,952.02, 157,208,908.59 and 61,707,987.66 is: 85,157,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,952.02 : 157,208,908.59 = 61,707,987.66 : x
  2. Step 2: Convert to fraction form
    113,918,952.02/157,208,908.59 = 61,707,987.66/x
  3. Step 3: Cross multiply
    113,918,952.02x = 157,208,908.59 × 61,707,987.66
  4. Step 4: Simplify right side
    113,918,952.02x = 9,701,045,391,313,788
  5. Step 5: Solve for x
    x = 9,701,045,391,313,788/113,918,952.02
  6. Step 6: Final answer
    x = 85,157,431.83

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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.