Home / 288,460,166.63-398,075,379.86-156,301,060.93

Finding the Fourth Proportional to 288,460,166.63, 398,075,379.86 and 156,301,060.93

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Solution

The fourth proportional to 288,460,166.63, 398,075,379.86 and 156,301,060.93 is: 215,695,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,460,166.63 : 398,075,379.86 = 156,301,060.93 : x
  2. Step 2: Convert to fraction form
    288,460,166.63/398,075,379.86 = 156,301,060.93/x
  3. Step 3: Cross multiply
    288,460,166.63x = 398,075,379.86 × 156,301,060.93
  4. Step 4: Simplify right side
    288,460,166.63x = 62,219,604,201,626,328
  5. Step 5: Solve for x
    x = 62,219,604,201,626,328/288,460,166.63
  6. Step 6: Final answer
    x = 215,695,653.68

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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.