Home / 157,788,981.60-236,683,472.40-103,369,423.20

Finding the Fourth Proportional to 157,788,981.60, 236,683,472.40 and 103,369,423.20

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Solution

The fourth proportional to 157,788,981.60, 236,683,472.40 and 103,369,423.20 is: 155,054,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,981.60 : 236,683,472.40 = 103,369,423.20 : x
  2. Step 2: Convert to fraction form
    157,788,981.60/236,683,472.40 = 103,369,423.20/x
  3. Step 3: Cross multiply
    157,788,981.60x = 236,683,472.40 × 103,369,423.20
  4. Step 4: Simplify right side
    157,788,981.60x = 24,465,834,022,961,120
  5. Step 5: Solve for x
    x = 24,465,834,022,961,120/157,788,981.60
  6. Step 6: Final answer
    x = 155,054,134.80

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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.