Home / 105,886,869.40-158,830,304.10-48,491,241.40

Finding the Fourth Proportional to 105,886,869.40, 158,830,304.10 and 48,491,241.40

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Solution

The fourth proportional to 105,886,869.40, 158,830,304.10 and 48,491,241.40 is: 72,736,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,886,869.40 : 158,830,304.10 = 48,491,241.40 : x
  2. Step 2: Convert to fraction form
    105,886,869.40/158,830,304.10 = 48,491,241.40/x
  3. Step 3: Cross multiply
    105,886,869.40x = 158,830,304.10 × 48,491,241.40
  4. Step 4: Simplify right side
    105,886,869.40x = 7,701,878,617,748,509
  5. Step 5: Solve for x
    x = 7,701,878,617,748,509/105,886,869.40
  6. Step 6: Final answer
    x = 72,736,862.10

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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.