Home / 157,788,987.10-236,683,480.65-103,369,428.70

Finding the Fourth Proportional to 157,788,987.10, 236,683,480.65 and 103,369,428.70

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Solution

The fourth proportional to 157,788,987.10, 236,683,480.65 and 103,369,428.70 is: 155,054,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,987.10 : 236,683,480.65 = 103,369,428.70 : x
  2. Step 2: Convert to fraction form
    157,788,987.10/236,683,480.65 = 103,369,428.70/x
  3. Step 3: Cross multiply
    157,788,987.10x = 236,683,480.65 × 103,369,428.70
  4. Step 4: Simplify right side
    157,788,987.10x = 24,465,836,177,518,004
  5. Step 5: Solve for x
    x = 24,465,836,177,518,004/157,788,987.10
  6. Step 6: Final answer
    x = 155,054,143.05

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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.