Home / 113,918,953.02-157,208,909.98-61,707,988.66

Finding the Fourth Proportional to 113,918,953.02, 157,208,909.98 and 61,707,988.66

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Solution

The fourth proportional to 113,918,953.02, 157,208,909.98 and 61,707,988.66 is: 85,157,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,953.02 : 157,208,909.98 = 61,707,988.66 : x
  2. Step 2: Convert to fraction form
    113,918,953.02/157,208,909.98 = 61,707,988.66/x
  3. Step 3: Cross multiply
    113,918,953.02x = 157,208,909.98 × 61,707,988.66
  4. Step 4: Simplify right side
    113,918,953.02x = 9,701,045,634,296,800
  5. Step 5: Solve for x
    x = 9,701,045,634,296,800/113,918,953.02
  6. Step 6: Final answer
    x = 85,157,433.22

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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.