Home / 163,735,085.80-245,602,628.70-120,688,364.80

Finding the Fourth Proportional to 163,735,085.80, 245,602,628.70 and 120,688,364.80

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Solution

The fourth proportional to 163,735,085.80, 245,602,628.70 and 120,688,364.80 is: 181,032,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,735,085.80 : 245,602,628.70 = 120,688,364.80 : x
  2. Step 2: Convert to fraction form
    163,735,085.80/245,602,628.70 = 120,688,364.80/x
  3. Step 3: Cross multiply
    163,735,085.80x = 245,602,628.70 × 120,688,364.80
  4. Step 4: Simplify right side
    163,735,085.80x = 29,641,379,648,384,548
  5. Step 5: Solve for x
    x = 29,641,379,648,384,548/163,735,085.80
  6. Step 6: Final answer
    x = 181,032,547.20

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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.