Home / 74,745,353.40-112,118,030.10-48,917,320.80

Finding the Fourth Proportional to 74,745,353.40, 112,118,030.10 and 48,917,320.80

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Solution

The fourth proportional to 74,745,353.40, 112,118,030.10 and 48,917,320.80 is: 73,375,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745,353.40 : 112,118,030.10 = 48,917,320.80 : x
  2. Step 2: Convert to fraction form
    74,745,353.40/112,118,030.10 = 48,917,320.80/x
  3. Step 3: Cross multiply
    74,745,353.40x = 112,118,030.10 × 48,917,320.80
  4. Step 4: Simplify right side
    74,745,353.40x = 5,484,513,645,865,755
  5. Step 5: Solve for x
    x = 5,484,513,645,865,755/74,745,353.40
  6. Step 6: Final answer
    x = 73,375,981.20

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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.