Home / 141,913,471.80-212,870,207.70-39,677,345.40

Finding the Fourth Proportional to 141,913,471.80, 212,870,207.70 and 39,677,345.40

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Solution

The fourth proportional to 141,913,471.80, 212,870,207.70 and 39,677,345.40 is: 59,516,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,913,471.80 : 212,870,207.70 = 39,677,345.40 : x
  2. Step 2: Convert to fraction form
    141,913,471.80/212,870,207.70 = 39,677,345.40/x
  3. Step 3: Cross multiply
    141,913,471.80x = 212,870,207.70 × 39,677,345.40
  4. Step 4: Simplify right side
    141,913,471.80x = 8,446,124,756,282,639
  5. Step 5: Solve for x
    x = 8,446,124,756,282,639/141,913,471.80
  6. Step 6: Final answer
    x = 59,516,018.10

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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.