Home / 185,939,681.40-278,920,019.70-56,551,512.60

Finding the Fourth Proportional to 185,939,681.40, 278,920,019.70 and 56,551,512.60

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Solution

The fourth proportional to 185,939,681.40, 278,920,019.70 and 56,551,512.60 is: 84,830,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,939,681.40 : 278,920,019.70 = 56,551,512.60 : x
  2. Step 2: Convert to fraction form
    185,939,681.40/278,920,019.70 = 56,551,512.60/x
  3. Step 3: Cross multiply
    185,939,681.40x = 278,920,019.70 × 56,551,512.60
  4. Step 4: Simplify right side
    185,939,681.40x = 15,773,349,008,456,798
  5. Step 5: Solve for x
    x = 15,773,349,008,456,798/185,939,681.40
  6. Step 6: Final answer
    x = 84,830,461.63

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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.