Home / 157,465,211.10-236,197,816.65-42,461,378.70

Finding the Fourth Proportional to 157,465,211.10, 236,197,816.65 and 42,461,378.70

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Solution

The fourth proportional to 157,465,211.10, 236,197,816.65 and 42,461,378.70 is: 63,692,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,211.10 : 236,197,816.65 = 42,461,378.70 : x
  2. Step 2: Convert to fraction form
    157,465,211.10/236,197,816.65 = 42,461,378.70/x
  3. Step 3: Cross multiply
    157,465,211.10x = 236,197,816.65 × 42,461,378.70
  4. Step 4: Simplify right side
    157,465,211.10x = 10,029,284,940,888,816
  5. Step 5: Solve for x
    x = 10,029,284,940,888,816/157,465,211.10
  6. Step 6: Final answer
    x = 63,692,068.05

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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.