Home / 153,547,781.34-230,321,672.02-51,311,818.97

Finding the Fourth Proportional to 153,547,781.34, 230,321,672.02 and 51,311,818.97

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Solution

The fourth proportional to 153,547,781.34, 230,321,672.02 and 51,311,818.97 is: 76,967,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,547,781.34 : 230,321,672.02 = 51,311,818.97 : x
  2. Step 2: Convert to fraction form
    153,547,781.34/230,321,672.02 = 51,311,818.97/x
  3. Step 3: Cross multiply
    153,547,781.34x = 230,321,672.02 × 51,311,818.97
  4. Step 4: Simplify right side
    153,547,781.34x = 11,818,223,939,334,192
  5. Step 5: Solve for x
    x = 11,818,223,939,334,192/153,547,781.34
  6. Step 6: Final answer
    x = 76,967,728.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.