Home / 219,342,006.48-302,686,818.12-121,554,762.96

Finding the Fourth Proportional to 219,342,006.48, 302,686,818.12 and 121,554,762.96

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Solution

The fourth proportional to 219,342,006.48, 302,686,818.12 and 121,554,762.96 is: 167,742,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,342,006.48 : 302,686,818.12 = 121,554,762.96 : x
  2. Step 2: Convert to fraction form
    219,342,006.48/302,686,818.12 = 121,554,762.96/x
  3. Step 3: Cross multiply
    219,342,006.48x = 302,686,818.12 × 121,554,762.96
  4. Step 4: Simplify right side
    219,342,006.48x = 36,793,024,427,693,232
  5. Step 5: Solve for x
    x = 36,793,024,427,693,232/219,342,006.48
  6. Step 6: Final answer
    x = 167,742,718.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.