Home / 288,460,167.63-398,075,381.24-156,301,061.93

Finding the Fourth Proportional to 288,460,167.63, 398,075,381.24 and 156,301,061.93

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Solution

The fourth proportional to 288,460,167.63, 398,075,381.24 and 156,301,061.93 is: 215,695,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,460,167.63 : 398,075,381.24 = 156,301,061.93 : x
  2. Step 2: Convert to fraction form
    288,460,167.63/398,075,381.24 = 156,301,061.93/x
  3. Step 3: Cross multiply
    288,460,167.63x = 398,075,381.24 × 156,301,061.93
  4. Step 4: Simplify right side
    288,460,167.63x = 62,219,604,816,001,608
  5. Step 5: Solve for x
    x = 62,219,604,816,001,608/288,460,167.63
  6. Step 6: Final answer
    x = 215,695,655.06

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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.