Home / 70,872,088.40-106,308,132.60-38,539,480.40

Finding the Fourth Proportional to 70,872,088.40, 106,308,132.60 and 38,539,480.40

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Solution

The fourth proportional to 70,872,088.40, 106,308,132.60 and 38,539,480.40 is: 57,809,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,872,088.40 : 106,308,132.60 = 38,539,480.40 : x
  2. Step 2: Convert to fraction form
    70,872,088.40/106,308,132.60 = 38,539,480.40/x
  3. Step 3: Cross multiply
    70,872,088.40x = 106,308,132.60 × 38,539,480.40
  4. Step 4: Simplify right side
    70,872,088.40x = 4,097,060,192,698,300.50
  5. Step 5: Solve for x
    x = 4,097,060,192,698,300.50/70,872,088.40
  6. Step 6: Final answer
    x = 57,809,220.60

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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.