Home / 102,013,409.20-153,020,113.80-101,056,815.40

Finding the Fourth Proportional to 102,013,409.20, 153,020,113.80 and 101,056,815.40

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Solution

The fourth proportional to 102,013,409.20, 153,020,113.80 and 101,056,815.40 is: 151,585,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,013,409.20 : 153,020,113.80 = 101,056,815.40 : x
  2. Step 2: Convert to fraction form
    102,013,409.20/153,020,113.80 = 101,056,815.40/x
  3. Step 3: Cross multiply
    102,013,409.20x = 153,020,113.80 × 101,056,815.40
  4. Step 4: Simplify right side
    102,013,409.20x = 15,463,725,392,773,594
  5. Step 5: Solve for x
    x = 15,463,725,392,773,594/102,013,409.20
  6. Step 6: Final answer
    x = 151,585,223.10

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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.