Home / 78,881,312.10-118,321,968.15-44,869,088.10

Finding the Fourth Proportional to 78,881,312.10, 118,321,968.15 and 44,869,088.10

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Solution

The fourth proportional to 78,881,312.10, 118,321,968.15 and 44,869,088.10 is: 67,303,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,881,312.10 : 118,321,968.15 = 44,869,088.10 : x
  2. Step 2: Convert to fraction form
    78,881,312.10/118,321,968.15 = 44,869,088.10/x
  3. Step 3: Cross multiply
    78,881,312.10x = 118,321,968.15 × 44,869,088.10
  4. Step 4: Simplify right side
    78,881,312.10x = 5,308,998,813,087,744
  5. Step 5: Solve for x
    x = 5,308,998,813,087,744/78,881,312.10
  6. Step 6: Final answer
    x = 67,303,632.15

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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.