Home / 98,155,420.40-147,233,130.60-70,803,923.60

Finding the Fourth Proportional to 98,155,420.40, 147,233,130.60 and 70,803,923.60

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Solution

The fourth proportional to 98,155,420.40, 147,233,130.60 and 70,803,923.60 is: 106,205,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,155,420.40 : 147,233,130.60 = 70,803,923.60 : x
  2. Step 2: Convert to fraction form
    98,155,420.40/147,233,130.60 = 70,803,923.60/x
  3. Step 3: Cross multiply
    98,155,420.40x = 147,233,130.60 × 70,803,923.60
  4. Step 4: Simplify right side
    98,155,420.40x = 10,424,683,330,391,220
  5. Step 5: Solve for x
    x = 10,424,683,330,391,220/98,155,420.40
  6. Step 6: Final answer
    x = 106,205,885.40

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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.