Home / 117,904,041.70-176,688,100.95-86,957,116.90

Finding the Fourth Proportional to 117,904,041.70, 176,688,100.95 and 86,957,116.90

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Solution

The fourth proportional to 117,904,041.70, 176,688,100.95 and 86,957,116.90 is: 130,311,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904,041.70 : 176,688,100.95 = 86,957,116.90 : x
  2. Step 2: Convert to fraction form
    117,904,041.70/176,688,100.95 = 86,957,116.90/x
  3. Step 3: Cross multiply
    117,904,041.70x = 176,688,100.95 × 86,957,116.90
  4. Step 4: Simplify right side
    117,904,041.70x = 15,364,287,849,148,152
  5. Step 5: Solve for x
    x = 15,364,287,849,148,152/117,904,041.70
  6. Step 6: Final answer
    x = 130,311,799.56

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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.