Home / 98,688,042.20-148,032,063.30-97,008,426.20

Finding the Fourth Proportional to 98,688,042.20, 148,032,063.30 and 97,008,426.20

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Solution

The fourth proportional to 98,688,042.20, 148,032,063.30 and 97,008,426.20 is: 145,512,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,688,042.20 : 148,032,063.30 = 97,008,426.20 : x
  2. Step 2: Convert to fraction form
    98,688,042.20/148,032,063.30 = 97,008,426.20/x
  3. Step 3: Cross multiply
    98,688,042.20x = 148,032,063.30 × 97,008,426.20
  4. Step 4: Simplify right side
    98,688,042.20x = 14,360,357,487,871,780
  5. Step 5: Solve for x
    x = 14,360,357,487,871,780/98,688,042.20
  6. Step 6: Final answer
    x = 145,512,639.30

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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.