Home / 118,663,669.71-178,046,655.65-64,065,414.81

Finding the Fourth Proportional to 118,663,669.71, 178,046,655.65 and 64,065,414.81

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Solution

The fourth proportional to 118,663,669.71, 178,046,655.65 and 64,065,414.81 is: 96,125,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,663,669.71 : 178,046,655.65 = 64,065,414.81 : x
  2. Step 2: Convert to fraction form
    118,663,669.71/178,046,655.65 = 64,065,414.81/x
  3. Step 3: Cross multiply
    118,663,669.71x = 178,046,655.65 × 64,065,414.81
  4. Step 4: Simplify right side
    118,663,669.71x = 11,406,632,849,430,154
  5. Step 5: Solve for x
    x = 11,406,632,849,430,154/118,663,669.71
  6. Step 6: Final answer
    x = 96,125,738.21

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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.