Home / 134,868,145.28-186,118,038.22-72,988,483.84

Finding the Fourth Proportional to 134,868,145.28, 186,118,038.22 and 72,988,483.84

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Solution

The fourth proportional to 134,868,145.28, 186,118,038.22 and 72,988,483.84 is: 100,724,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,145.28 : 186,118,038.22 = 72,988,483.84 : x
  2. Step 2: Convert to fraction form
    134,868,145.28/186,118,038.22 = 72,988,483.84/x
  3. Step 3: Cross multiply
    134,868,145.28x = 186,118,038.22 × 72,988,483.84
  4. Step 4: Simplify right side
    134,868,145.28x = 13,584,473,424,952,972
  5. Step 5: Solve for x
    x = 13,584,473,424,952,972/134,868,145.28
  6. Step 6: Final answer
    x = 100,724,106.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.