Home / 155,139,411.80-232,709,117.70-152,871,930.20

Finding the Fourth Proportional to 155,139,411.80, 232,709,117.70 and 152,871,930.20

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Solution

The fourth proportional to 155,139,411.80, 232,709,117.70 and 152,871,930.20 is: 229,307,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,139,411.80 : 232,709,117.70 = 152,871,930.20 : x
  2. Step 2: Convert to fraction form
    155,139,411.80/232,709,117.70 = 152,871,930.20/x
  3. Step 3: Cross multiply
    155,139,411.80x = 232,709,117.70 × 152,871,930.20
  4. Step 4: Simplify right side
    155,139,411.80x = 35,574,691,997,937,980
  5. Step 5: Solve for x
    x = 35,574,691,997,937,980/155,139,411.80
  6. Step 6: Final answer
    x = 229,307,895.30

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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.