Home / 163,735,079.93-245,602,619.90-120,688,358.93

Finding the Fourth Proportional to 163,735,079.93, 245,602,619.90 and 120,688,358.93

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Solution

The fourth proportional to 163,735,079.93, 245,602,619.90 and 120,688,358.93 is: 181,032,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,735,079.93 : 245,602,619.90 = 120,688,358.93 : x
  2. Step 2: Convert to fraction form
    163,735,079.93/245,602,619.90 = 120,688,358.93/x
  3. Step 3: Cross multiply
    163,735,079.93x = 245,602,619.90 × 120,688,358.93
  4. Step 4: Simplify right side
    163,735,079.93x = 29,641,377,142,808,108
  5. Step 5: Solve for x
    x = 29,641,377,142,808,108/163,735,079.93
  6. Step 6: Final answer
    x = 181,032,538.39

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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.