Home / 299,938,962.40-449,908,443.60-84,528,210.40

Finding the Fourth Proportional to 299,938,962.40, 449,908,443.60 and 84,528,210.40

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Solution

The fourth proportional to 299,938,962.40, 449,908,443.60 and 84,528,210.40 is: 126,792,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,938,962.40 : 449,908,443.60 = 84,528,210.40 : x
  2. Step 2: Convert to fraction form
    299,938,962.40/449,908,443.60 = 84,528,210.40/x
  3. Step 3: Cross multiply
    299,938,962.40x = 449,908,443.60 × 84,528,210.40
  4. Step 4: Simplify right side
    299,938,962.40x = 38,029,955,581,357,336
  5. Step 5: Solve for x
    x = 38,029,955,581,357,336/299,938,962.40
  6. Step 6: Final answer
    x = 126,792,315.60

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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.