Home / 131,772,042.77-197,657,068.93-39,655,384.25

Finding the Fourth Proportional to 131,772,042.77, 197,657,068.93 and 39,655,384.25

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Solution

The fourth proportional to 131,772,042.77, 197,657,068.93 and 39,655,384.25 is: 59,482,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,772,042.77 : 197,657,068.93 = 39,655,384.25 : x
  2. Step 2: Convert to fraction form
    131,772,042.77/197,657,068.93 = 39,655,384.25/x
  3. Step 3: Cross multiply
    131,772,042.77x = 197,657,068.93 × 39,655,384.25
  4. Step 4: Simplify right side
    131,772,042.77x = 7,838,167,018,147,887
  5. Step 5: Solve for x
    x = 7,838,167,018,147,887/131,772,042.77
  6. Step 6: Final answer
    x = 59,482,776.87

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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.