Home / 74,746,346.40-112,039,803.45-28,670,411.70

Finding the Fourth Proportional to 74,746,346.40, 112,039,803.45 and 28,670,411.70

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Solution

The fourth proportional to 74,746,346.40, 112,039,803.45 and 28,670,411.70 is: 42,975,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746,346.40 : 112,039,803.45 = 28,670,411.70 : x
  2. Step 2: Convert to fraction form
    74,746,346.40/112,039,803.45 = 28,670,411.70/x
  3. Step 3: Cross multiply
    74,746,346.40x = 112,039,803.45 × 28,670,411.70
  4. Step 4: Simplify right side
    74,746,346.40x = 3,212,227,291,698,580.50
  5. Step 5: Solve for x
    x = 3,212,227,291,698,580.50/74,746,346.40
  6. Step 6: Final answer
    x = 42,975,040.87

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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.